20804037195

素因数分解:

$3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1249}}^1\times {\mathrm{1607}}^1$

素因数の和:3555

約数の個数: 32

約数和(自身を含む): 33382080000

約数和(自身を除く): 12578042805

約数列:

[1, 3, 5, 15, 691, 1249, 1607, 2073, 3455, 3747, 4821, 6245, 8035, 10365, 18735, 24105, 863059, 1110437, 2007143, 2589177, 3331311, 4315295, 5552185, 6021429, 10035715, 12945885, 16656555, 30107145, 1386935813, 4160807439, 6934679065, 20804037195]

約数ペア:

[(1, 20804037195), (3, 6934679065), (5, 4160807439), (15, 1386935813), (691, 30107145), (1249, 16656555), (1607, 12945885), (2073, 10035715), (3455, 6021429), (3747, 5552185), (4821, 4315295), (6245, 3331311), (8035, 2589177), (10365, 2007143), (18735, 1110437), (24105, 863059)]