20471132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 42094080

約数和(自身を除く): 21622948

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 47, 76, 94, 188, 209, 418, 517, 521, 836, 893, 1034, 1042, 1786, 2068, 2084, 3572, 5731, 9823, 9899, 11462, 19646, 19798, 22924, 24487, 39292, 39596, 48974, 97948, 108889, 217778, 269357, 435556, 465253, 538714, 930506, 1077428, 1861012, 5117783, 10235566, 20471132]

約数ペア:

[(1, 20471132), (2, 10235566), (4, 5117783), (11, 1861012), (19, 1077428), (22, 930506), (38, 538714), (44, 465253), (47, 435556), (76, 269357), (94, 217778), (188, 108889), (209, 97948), (418, 48974), (517, 39596), (521, 39292), (836, 24487), (893, 22924), (1034, 19798), (1042, 19646), (1786, 11462), (2068, 9899), (2084, 9823), (3572, 5731)]