20375390520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{236813}}^1$

素因数の和:237069

約数の個数: 96

約数和(自身を含む): 66497371200

約数和(自身を除く): 46121980680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 239, 360, 478, 717, 956, 1195, 1434, 1912, 2151, 2390, 2868, 3585, 4302, 4780, 5736, 7170, 8604, 9560, 10755, 14340, 17208, 21510, 28680, 43020, 86040, 236813, 473626, 710439, 947252, 1184065, 1420878, 1894504, 2131317, 2368130, 2841756, 3552195, 4262634, 4736260, 5683512, 7104390, 8525268, 9472520, 10656585, 14208780, 17050536, 21313170, 28417560, 42626340, 56598307, 85252680, 113196614, 169794921, 226393228, 282991535, 339589842, 452786456, 509384763, 565983070, 679179684, 848974605, 1018769526, 1131966140, 1358359368, 1697949210, 2037539052, 2263932280, 2546923815, 3395898420, 4075078104, 5093847630, 6791796840, 10187695260, 20375390520]

約数ペア:

[(1, 20375390520), (2, 10187695260), (3, 6791796840), (4, 5093847630), (5, 4075078104), (6, 3395898420), (8, 2546923815), (9, 2263932280), (10, 2037539052), (12, 1697949210), (15, 1358359368), (18, 1131966140), (20, 1018769526), (24, 848974605), (30, 679179684), (36, 565983070), (40, 509384763), (45, 452786456), (60, 339589842), (72, 282991535), (90, 226393228), (120, 169794921), (180, 113196614), (239, 85252680), (360, 56598307), (478, 42626340), (717, 28417560), (956, 21313170), (1195, 17050536), (1434, 14208780), (1912, 10656585), (2151, 9472520), (2390, 8525268), (2868, 7104390), (3585, 5683512), (4302, 4736260), (4780, 4262634), (5736, 3552195), (7170, 2841756), (8604, 2368130), (9560, 2131317), (10755, 1894504), (14340, 1420878), (17208, 1184065), (21510, 947252), (28680, 710439), (43020, 473626), (86040, 236813)]