20042275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2351}}^1$

素因数の和:2403

約数の個数: 24

約数和(自身を含む): 27998208

約数和(自身を除く): 7955933

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1705, 2351, 8525, 11755, 25861, 58775, 72881, 129305, 364405, 646525, 801691, 1822025, 4008455, 20042275]

約数ペア:

[(1, 20042275), (5, 4008455), (11, 1822025), (25, 801691), (31, 646525), (55, 364405), (155, 129305), (275, 72881), (341, 58775), (775, 25861), (1705, 11755), (2351, 8525)]