20245737644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{21023}}^1$

素因数の和:21590

約数の個数: 48

約数和(自身を含む): 39629399040

約数和(自身を除く): 19383661396

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 509, 946, 1018, 1892, 2036, 5599, 11198, 21023, 21887, 22396, 42046, 43774, 84092, 87548, 231253, 240757, 462506, 481514, 903989, 925012, 963028, 1807978, 3615956, 9943879, 10700707, 19887758, 21401414, 39775516, 42802828, 117707777, 235415554, 460130401, 470831108, 920260802, 1840521604, 5061434411, 10122868822, 20245737644]

約数ペア:

[(1, 20245737644), (2, 10122868822), (4, 5061434411), (11, 1840521604), (22, 920260802), (43, 470831108), (44, 460130401), (86, 235415554), (172, 117707777), (473, 42802828), (509, 39775516), (946, 21401414), (1018, 19887758), (1892, 10700707), (2036, 9943879), (5599, 3615956), (11198, 1807978), (21023, 963028), (21887, 925012), (22396, 903989), (42046, 481514), (43774, 462506), (84092, 240757), (87548, 231253)]