20720700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:74

約数の個数: 432

約数和(自身を含む): 90994176

約数和(自身を除く): 70273476

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 18, 20, 21, 22, 23, 25, 26, 28, 30, 33, 35, 36, 39, 42, 44, 45, 46, 50, 52, 55, 60, 63, 65, 66, 69, 70, 75, 77, 78, 84, 90, 91, 92, 99, 100, 105, 110, 115, 117, 126, 130, 132, 138, 140, 143, 150, 154, 156, 161, 165, 175, 180, 182, 195, 198, 207, 210, 220, 225, 230, 231, 234, 252, 253, 260, 273, 275, 276, 286, 299, 300, 308, 315, 322, 325, 330, 345, 350, 364, 385, 390, 396, 414, 420, 429, 450, 455, 460, 462, 468, 483, 495, 506, 525, 546, 550, 572, 575, 585, 598, 630, 644, 650, 660, 690, 693, 700, 715, 759, 770, 780, 805, 819, 825, 828, 858, 897, 900, 910, 924, 966, 975, 990, 1001, 1012, 1035, 1050, 1092, 1100, 1150, 1155, 1170, 1196, 1260, 1265, 1287, 1300, 1365, 1380, 1386, 1430, 1449, 1495, 1518, 1540, 1575, 1610, 1638, 1650, 1716, 1725, 1771, 1794, 1820, 1925, 1932, 1950, 1980, 2002, 2070, 2093, 2100, 2145, 2275, 2277, 2300, 2310, 2340, 2415, 2475, 2530, 2574, 2691, 2730, 2772, 2860, 2898, 2925, 2990, 3003, 3036, 3150, 3220, 3276, 3289, 3300, 3450, 3465, 3542, 3575, 3588, 3795, 3850, 3900, 4004, 4025, 4095, 4140, 4186, 4290, 4485, 4550, 4554, 4620, 4830, 4950, 5005, 5060, 5148, 5175, 5313, 5382, 5460, 5775, 5796, 5850, 5980, 6006, 6279, 6300, 6325, 6435, 6578, 6825, 6900, 6930, 7084, 7150, 7245, 7475, 7590, 7700, 8050, 8190, 8372, 8580, 8855, 8970, 9009, 9100, 9108, 9660, 9867, 9900, 10010, 10350, 10465, 10626, 10725, 10764, 11385, 11550, 11700, 12012, 12075, 12558, 12650, 12870, 13156, 13455, 13650, 13860, 14300, 14490, 14950, 15015, 15180, 15939, 16100, 16380, 16445, 17325, 17710, 17940, 18018, 18837, 18975, 19734, 20020, 20475, 20700, 20930, 21252, 21450, 22425, 22770, 23023, 23100, 24150, 25025, 25116, 25300, 25740, 26565, 26910, 27300, 28980, 29601, 29900, 30030, 31395, 31878, 32175, 32890, 34650, 35420, 36036, 36225, 37674, 37950, 39468, 40950, 41860, 42900, 44275, 44850, 45045, 45540, 46046, 48300, 49335, 50050, 52325, 53130, 53820, 56925, 59202, 60060, 62790, 63756, 64350, 65780, 67275, 69069, 69300, 72450, 75075, 75348, 75900, 79695, 81900, 82225, 88550, 89700, 90090, 92092, 94185, 98670, 100100, 104650, 106260, 113850, 115115, 118404, 125580, 128700, 132825, 134550, 138138, 144900, 148005, 150150, 156975, 159390, 164450, 177100, 180180, 188370, 197340, 207207, 209300, 225225, 227700, 230230, 246675, 265650, 269100, 276276, 296010, 300300, 313950, 318780, 328900, 345345, 376740, 398475, 414414, 450450, 460460, 470925, 493350, 531300, 575575, 592020, 627900, 690690, 740025, 796950, 828828, 900900, 941850, 986700, 1036035, 1151150, 1381380, 1480050, 1593900, 1726725, 1883700, 2072070, 2302300, 2960100, 3453450, 4144140, 5180175, 6906900, 10360350, 20720700]

約数ペア:

[(1, 20720700), (2, 10360350), (3, 6906900), (4, 5180175), (5, 4144140), (6, 3453450), (7, 2960100), (9, 2302300), (10, 2072070), (11, 1883700), (12, 1726725), (13, 1593900), (14, 1480050), (15, 1381380), (18, 1151150), (20, 1036035), (21, 986700), (22, 941850), (23, 900900), (25, 828828), (26, 796950), (28, 740025), (30, 690690), (33, 627900), (35, 592020), (36, 575575), (39, 531300), (42, 493350), (44, 470925), (45, 460460), (46, 450450), (50, 414414), (52, 398475), (55, 376740), (60, 345345), (63, 328900), (65, 318780), (66, 313950), (69, 300300), (70, 296010), (75, 276276), (77, 269100), (78, 265650), (84, 246675), (90, 230230), (91, 227700), (92, 225225), (99, 209300), (100, 207207), (105, 197340), (110, 188370), (115, 180180), (117, 177100), (126, 164450), (130, 159390), (132, 156975), (138, 150150), (140, 148005), (143, 144900), (150, 138138), (154, 134550), (156, 132825), (161, 128700), (165, 125580), (175, 118404), (180, 115115), (182, 113850), (195, 106260), (198, 104650), (207, 100100), (210, 98670), (220, 94185), (225, 92092), (230, 90090), (231, 89700), (234, 88550), (252, 82225), (253, 81900), (260, 79695), (273, 75900), (275, 75348), (276, 75075), (286, 72450), (299, 69300), (300, 69069), (308, 67275), (315, 65780), (322, 64350), (325, 63756), (330, 62790), (345, 60060), (350, 59202), (364, 56925), (385, 53820), (390, 53130), (396, 52325), (414, 50050), (420, 49335), (429, 48300), (450, 46046), (455, 45540), (460, 45045), (462, 44850), (468, 44275), (483, 42900), (495, 41860), (506, 40950), (525, 39468), (546, 37950), (550, 37674), (572, 36225), (575, 36036), (585, 35420), (598, 34650), (630, 32890), (644, 32175), (650, 31878), (660, 31395), (690, 30030), (693, 29900), (700, 29601), (715, 28980), (759, 27300), (770, 26910), (780, 26565), (805, 25740), (819, 25300), (825, 25116), (828, 25025), (858, 24150), (897, 23100), (900, 23023), (910, 22770), (924, 22425), (966, 21450), (975, 21252), (990, 20930), (1001, 20700), (1012, 20475), (1035, 20020), (1050, 19734), (1092, 18975), (1100, 18837), (1150, 18018), (1155, 17940), (1170, 17710), (1196, 17325), (1260, 16445), (1265, 16380), (1287, 16100), (1300, 15939), (1365, 15180), (1380, 15015), (1386, 14950), (1430, 14490), (1449, 14300), (1495, 13860), (1518, 13650), (1540, 13455), (1575, 13156), (1610, 12870), (1638, 12650), (1650, 12558), (1716, 12075), (1725, 12012), (1771, 11700), (1794, 11550), (1820, 11385), (1925, 10764), (1932, 10725), (1950, 10626), (1980, 10465), (2002, 10350), (2070, 10010), (2093, 9900), (2100, 9867), (2145, 9660), (2275, 9108), (2277, 9100), (2300, 9009), (2310, 8970), (2340, 8855), (2415, 8580), (2475, 8372), (2530, 8190), (2574, 8050), (2691, 7700), (2730, 7590), (2772, 7475), (2860, 7245), (2898, 7150), (2925, 7084), (2990, 6930), (3003, 6900), (3036, 6825), (3150, 6578), (3220, 6435), (3276, 6325), (3289, 6300), (3300, 6279), (3450, 6006), (3465, 5980), (3542, 5850), (3575, 5796), (3588, 5775), (3795, 5460), (3850, 5382), (3900, 5313), (4004, 5175), (4025, 5148), (4095, 5060), (4140, 5005), (4186, 4950), (4290, 4830), (4485, 4620), (4550, 4554)]