20854513870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{10459}}^1$

素因数の和:10837

約数の個数: 64

約数和(自身を含む): 40953159360

約数和(自身を除く): 20098645490

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 317, 370, 629, 634, 1258, 1585, 3145, 3170, 5389, 6290, 10459, 10778, 11729, 20918, 23458, 26945, 52295, 53890, 58645, 104590, 117290, 177803, 199393, 355606, 386983, 398786, 773966, 889015, 996965, 1778030, 1934915, 1993930, 3315503, 3869830, 6578711, 6631006, 13157422, 16577515, 32893555, 33155030, 56363551, 65787110, 112727102, 122673611, 245347222, 281817755, 563635510, 613368055, 1226736110, 2085451387, 4170902774, 10427256935, 20854513870]

約数ペア:

[(1, 20854513870), (2, 10427256935), (5, 4170902774), (10, 2085451387), (17, 1226736110), (34, 613368055), (37, 563635510), (74, 281817755), (85, 245347222), (170, 122673611), (185, 112727102), (317, 65787110), (370, 56363551), (629, 33155030), (634, 32893555), (1258, 16577515), (1585, 13157422), (3145, 6631006), (3170, 6578711), (5389, 3869830), (6290, 3315503), (10459, 1993930), (10778, 1934915), (11729, 1778030), (20918, 996965), (23458, 889015), (26945, 773966), (52295, 398786), (53890, 386983), (58645, 355606), (104590, 199393), (117290, 177803)]