20343960

素因数分解:

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

素因数の和:69

約数の個数: 384

約数和(自身を含む): 88058880

約数和(自身を除く): 67714920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 23, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 46, 52, 54, 56, 60, 63, 65, 69, 70, 72, 78, 81, 84, 90, 91, 92, 104, 105, 108, 115, 117, 120, 126, 130, 135, 138, 140, 156, 161, 162, 168, 180, 182, 184, 189, 195, 207, 210, 216, 230, 234, 243, 252, 260, 270, 273, 276, 280, 299, 312, 315, 322, 324, 345, 351, 360, 364, 378, 390, 405, 414, 420, 455, 460, 468, 483, 486, 504, 520, 540, 546, 552, 567, 585, 598, 621, 630, 644, 648, 690, 702, 728, 756, 780, 805, 810, 819, 828, 840, 897, 910, 920, 936, 945, 966, 972, 1035, 1053, 1080, 1092, 1134, 1170, 1196, 1215, 1242, 1260, 1288, 1365, 1380, 1404, 1449, 1495, 1512, 1560, 1610, 1620, 1638, 1656, 1701, 1755, 1794, 1820, 1863, 1890, 1932, 1944, 2070, 2093, 2106, 2184, 2268, 2340, 2392, 2415, 2430, 2457, 2484, 2520, 2691, 2730, 2760, 2808, 2835, 2898, 2990, 3105, 3159, 3220, 3240, 3276, 3402, 3510, 3588, 3640, 3726, 3780, 3864, 4095, 4140, 4186, 4212, 4347, 4485, 4536, 4680, 4830, 4860, 4914, 4968, 5265, 5382, 5460, 5589, 5670, 5796, 5980, 6210, 6279, 6318, 6440, 6552, 6804, 7020, 7176, 7245, 7371, 7452, 7560, 8073, 8190, 8280, 8372, 8424, 8505, 8694, 8970, 9315, 9660, 9720, 9828, 10465, 10530, 10764, 10920, 11178, 11340, 11592, 11960, 12285, 12420, 12558, 12636, 13041, 13455, 13608, 14040, 14490, 14742, 14904, 15795, 16146, 16380, 16744, 17010, 17388, 17940, 18630, 18837, 19320, 19656, 20930, 21060, 21528, 21735, 22113, 22356, 22680, 24219, 24570, 24840, 25116, 25272, 26082, 26910, 27945, 28980, 29484, 31395, 31590, 32292, 32760, 34020, 34776, 35880, 36855, 37260, 37674, 39123, 40365, 41860, 42120, 43470, 44226, 44712, 48438, 49140, 50232, 52164, 53820, 55890, 56511, 57960, 58968, 62790, 63180, 64584, 65205, 68040, 72657, 73710, 74520, 75348, 78246, 80730, 83720, 86940, 88452, 94185, 96876, 98280, 104328, 107640, 110565, 111780, 113022, 121095, 125580, 126360, 130410, 145314, 147420, 150696, 156492, 161460, 169533, 173880, 176904, 188370, 193752, 195615, 221130, 223560, 226044, 242190, 251160, 260820, 282555, 290628, 294840, 312984, 322920, 339066, 363285, 376740, 391230, 442260, 452088, 484380, 508599, 521640, 565110, 581256, 678132, 726570, 753480, 782460, 847665, 884520, 968760, 1017198, 1130220, 1356264, 1453140, 1564920, 1695330, 2034396, 2260440, 2542995, 2906280, 3390660, 4068792, 5085990, 6781320, 10171980, 20343960]

約数ペア:

[(1, 20343960), (2, 10171980), (3, 6781320), (4, 5085990), (5, 4068792), (6, 3390660), (7, 2906280), (8, 2542995), (9, 2260440), (10, 2034396), (12, 1695330), (13, 1564920), (14, 1453140), (15, 1356264), (18, 1130220), (20, 1017198), (21, 968760), (23, 884520), (24, 847665), (26, 782460), (27, 753480), (28, 726570), (30, 678132), (35, 581256), (36, 565110), (39, 521640), (40, 508599), (42, 484380), (45, 452088), (46, 442260), (52, 391230), (54, 376740), (56, 363285), (60, 339066), (63, 322920), (65, 312984), (69, 294840), (70, 290628), (72, 282555), (78, 260820), (81, 251160), (84, 242190), (90, 226044), (91, 223560), (92, 221130), (104, 195615), (105, 193752), (108, 188370), (115, 176904), (117, 173880), (120, 169533), (126, 161460), (130, 156492), (135, 150696), (138, 147420), (140, 145314), (156, 130410), (161, 126360), (162, 125580), (168, 121095), (180, 113022), (182, 111780), (184, 110565), (189, 107640), (195, 104328), (207, 98280), (210, 96876), (216, 94185), (230, 88452), (234, 86940), (243, 83720), (252, 80730), (260, 78246), (270, 75348), (273, 74520), (276, 73710), (280, 72657), (299, 68040), (312, 65205), (315, 64584), (322, 63180), (324, 62790), (345, 58968), (351, 57960), (360, 56511), (364, 55890), (378, 53820), (390, 52164), (405, 50232), (414, 49140), (420, 48438), (455, 44712), (460, 44226), (468, 43470), (483, 42120), (486, 41860), (504, 40365), (520, 39123), (540, 37674), (546, 37260), (552, 36855), (567, 35880), (585, 34776), (598, 34020), (621, 32760), (630, 32292), (644, 31590), (648, 31395), (690, 29484), (702, 28980), (728, 27945), (756, 26910), (780, 26082), (805, 25272), (810, 25116), (819, 24840), (828, 24570), (840, 24219), (897, 22680), (910, 22356), (920, 22113), (936, 21735), (945, 21528), (966, 21060), (972, 20930), (1035, 19656), (1053, 19320), (1080, 18837), (1092, 18630), (1134, 17940), (1170, 17388), (1196, 17010), (1215, 16744), (1242, 16380), (1260, 16146), (1288, 15795), (1365, 14904), (1380, 14742), (1404, 14490), (1449, 14040), (1495, 13608), (1512, 13455), (1560, 13041), (1610, 12636), (1620, 12558), (1638, 12420), (1656, 12285), (1701, 11960), (1755, 11592), (1794, 11340), (1820, 11178), (1863, 10920), (1890, 10764), (1932, 10530), (1944, 10465), (2070, 9828), (2093, 9720), (2106, 9660), (2184, 9315), (2268, 8970), (2340, 8694), (2392, 8505), (2415, 8424), (2430, 8372), (2457, 8280), (2484, 8190), (2520, 8073), (2691, 7560), (2730, 7452), (2760, 7371), (2808, 7245), (2835, 7176), (2898, 7020), (2990, 6804), (3105, 6552), (3159, 6440), (3220, 6318), (3240, 6279), (3276, 6210), (3402, 5980), (3510, 5796), (3588, 5670), (3640, 5589), (3726, 5460), (3780, 5382), (3864, 5265), (4095, 4968), (4140, 4914), (4186, 4860), (4212, 4830), (4347, 4680), (4485, 4536)]