20492013780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1\times {\mathrm{617}}^1$

素因数の和:1295

約数の個数: 288

約数和(自身を含む): 72927638784

約数和(自身を除く): 52435625004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 613, 617, 630, 645, 774, 860, 903, 1204, 1226, 1234, 1260, 1290, 1505, 1548, 1806, 1839, 1851, 1935, 2452, 2468, 2580, 2709, 3010, 3065, 3085, 3612, 3678, 3702, 3870, 4291, 4319, 4515, 5418, 5517, 5553, 6020, 6130, 6170, 7356, 7404, 7740, 8582, 8638, 9030, 9195, 9255, 10836, 11034, 11106, 12260, 12340, 12873, 12957, 13545, 17164, 17276, 18060, 18390, 18510, 21455, 21595, 22068, 22212, 25746, 25914, 26359, 26531, 27090, 27585, 27765, 36780, 37020, 38619, 38871, 42910, 43190, 51492, 51828, 52718, 53062, 54180, 55170, 55530, 64365, 64785, 77238, 77742, 79077, 79593, 85820, 86380, 105436, 106124, 110340, 111060, 128730, 129570, 131795, 132655, 154476, 155484, 158154, 159186, 184513, 185717, 193095, 194355, 237231, 238779, 257460, 259140, 263590, 265310, 316308, 318372, 369026, 371434, 378221, 386190, 388710, 395385, 397965, 474462, 477558, 527180, 530620, 553539, 557151, 738052, 742868, 756442, 772380, 777420, 790770, 795930, 922565, 928585, 948924, 955116, 1107078, 1114302, 1134663, 1186155, 1193895, 1512884, 1581540, 1591860, 1660617, 1671453, 1845130, 1857170, 1891105, 2214156, 2228604, 2269326, 2372310, 2387790, 2647547, 2767695, 2785755, 3321234, 3342906, 3403989, 3690260, 3714340, 3782210, 4538652, 4744620, 4775580, 5295094, 5535390, 5571510, 5673315, 6642468, 6685812, 6807978, 7564420, 7942641, 8303085, 8357265, 10590188, 11070780, 11143020, 11346630, 13237735, 13615956, 15885282, 16263503, 16606170, 16714530, 17019945, 22693260, 23827923, 26475470, 31770564, 32527006, 33212340, 33429060, 34039890, 39713205, 47655846, 48790509, 52950940, 65054012, 68079780, 79426410, 81317515, 95311692, 97581018, 113844521, 119139615, 146371527, 158852820, 162635030, 195162036, 227689042, 238279230, 243952545, 292743054, 325270060, 341533563, 455378084, 476558460, 487905090, 569222605, 585486108, 683067126, 731857635, 975810180, 1024600689, 1138445210, 1366134252, 1463715270, 1707667815, 2049201378, 2276890420, 2927430540, 3415335630, 4098402756, 5123003445, 6830671260, 10246006890, 20492013780]

約数ペア:

[(1, 20492013780), (2, 10246006890), (3, 6830671260), (4, 5123003445), (5, 4098402756), (6, 3415335630), (7, 2927430540), (9, 2276890420), (10, 2049201378), (12, 1707667815), (14, 1463715270), (15, 1366134252), (18, 1138445210), (20, 1024600689), (21, 975810180), (28, 731857635), (30, 683067126), (35, 585486108), (36, 569222605), (42, 487905090), (43, 476558460), (45, 455378084), (60, 341533563), (63, 325270060), (70, 292743054), (84, 243952545), (86, 238279230), (90, 227689042), (105, 195162036), (126, 162635030), (129, 158852820), (140, 146371527), (172, 119139615), (180, 113844521), (210, 97581018), (215, 95311692), (252, 81317515), (258, 79426410), (301, 68079780), (315, 65054012), (387, 52950940), (420, 48790509), (430, 47655846), (516, 39713205), (602, 34039890), (613, 33429060), (617, 33212340), (630, 32527006), (645, 31770564), (774, 26475470), (860, 23827923), (903, 22693260), (1204, 17019945), (1226, 16714530), (1234, 16606170), (1260, 16263503), (1290, 15885282), (1505, 13615956), (1548, 13237735), (1806, 11346630), (1839, 11143020), (1851, 11070780), (1935, 10590188), (2452, 8357265), (2468, 8303085), (2580, 7942641), (2709, 7564420), (3010, 6807978), (3065, 6685812), (3085, 6642468), (3612, 5673315), (3678, 5571510), (3702, 5535390), (3870, 5295094), (4291, 4775580), (4319, 4744620), (4515, 4538652), (5418, 3782210), (5517, 3714340), (5553, 3690260), (6020, 3403989), (6130, 3342906), (6170, 3321234), (7356, 2785755), (7404, 2767695), (7740, 2647547), (8582, 2387790), (8638, 2372310), (9030, 2269326), (9195, 2228604), (9255, 2214156), (10836, 1891105), (11034, 1857170), (11106, 1845130), (12260, 1671453), (12340, 1660617), (12873, 1591860), (12957, 1581540), (13545, 1512884), (17164, 1193895), (17276, 1186155), (18060, 1134663), (18390, 1114302), (18510, 1107078), (21455, 955116), (21595, 948924), (22068, 928585), (22212, 922565), (25746, 795930), (25914, 790770), (26359, 777420), (26531, 772380), (27090, 756442), (27585, 742868), (27765, 738052), (36780, 557151), (37020, 553539), (38619, 530620), (38871, 527180), (42910, 477558), (43190, 474462), (51492, 397965), (51828, 395385), (52718, 388710), (53062, 386190), (54180, 378221), (55170, 371434), (55530, 369026), (64365, 318372), (64785, 316308), (77238, 265310), (77742, 263590), (79077, 259140), (79593, 257460), (85820, 238779), (86380, 237231), (105436, 194355), (106124, 193095), (110340, 185717), (111060, 184513), (128730, 159186), (129570, 158154), (131795, 155484), (132655, 154476)]