20430190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2351}}^1$

素因数の和:2448

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 20212370

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 2351, 4345, 4702, 8690, 11755, 23510, 25861, 51722, 129305, 185729, 258610, 371458, 928645, 1857290, 2043019, 4086038, 10215095, 20430190]

約数ペア:

[(1, 20430190), (2, 10215095), (5, 4086038), (10, 2043019), (11, 1857290), (22, 928645), (55, 371458), (79, 258610), (110, 185729), (158, 129305), (395, 51722), (790, 25861), (869, 23510), (1738, 11755), (2351, 8690), (4345, 4702)]