20121068

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{821}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 38528784

約数和(自身を除く): 18407716

約数列:

[1, 2, 4, 11, 22, 44, 557, 821, 1114, 1642, 2228, 3284, 6127, 9031, 12254, 18062, 24508, 36124, 457297, 914594, 1829188, 5030267, 10060534, 20121068]

約数ペア:

[(1, 20121068), (2, 10060534), (4, 5030267), (11, 1829188), (22, 914594), (44, 457297), (557, 36124), (821, 24508), (1114, 18062), (1642, 12254), (2228, 9031), (3284, 6127)]