20198348025

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{3793117}}^1$

素因数の和:3793201

約数の個数: 24

約数和(自身を含む): 33864957504

約数和(自身を除く): 13666609479

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 3793117, 11379351, 18965585, 56896755, 94827925, 269311307, 284483775, 807933921, 1346556535, 4039669605, 6732782675, 20198348025]

約数ペア:

[(1, 20198348025), (3, 6732782675), (5, 4039669605), (15, 1346556535), (25, 807933921), (71, 284483775), (75, 269311307), (213, 94827925), (355, 56896755), (1065, 18965585), (1775, 11379351), (5325, 3793117)]