20215074

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 27685086

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 43, 51, 66, 86, 102, 129, 187, 258, 374, 419, 473, 561, 731, 838, 946, 1122, 1257, 1419, 1462, 2193, 2514, 2838, 4386, 4609, 7123, 8041, 9218, 13827, 14246, 16082, 18017, 21369, 24123, 27654, 36034, 42738, 48246, 54051, 78353, 108102, 156706, 198187, 235059, 306289, 396374, 470118, 594561, 612578, 918867, 1189122, 1837734, 3369179, 6738358, 10107537, 20215074]

約数ペア:

[(1, 20215074), (2, 10107537), (3, 6738358), (6, 3369179), (11, 1837734), (17, 1189122), (22, 918867), (33, 612578), (34, 594561), (43, 470118), (51, 396374), (66, 306289), (86, 235059), (102, 198187), (129, 156706), (187, 108102), (258, 78353), (374, 54051), (419, 48246), (473, 42738), (561, 36034), (731, 27654), (838, 24123), (946, 21369), (1122, 18017), (1257, 16082), (1419, 14246), (1462, 13827), (2193, 9218), (2514, 8041), (2838, 7123), (4386, 4609)]