20970730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{613}}^1$

素因数の和:942

約数の個数: 32

約数和(自身を含む): 41378688

約数和(自身を除く): 20407958

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 311, 613, 622, 1226, 1555, 3065, 3110, 3421, 6130, 6743, 6842, 13486, 17105, 33715, 34210, 67430, 190643, 381286, 953215, 1906430, 2097073, 4194146, 10485365, 20970730]

約数ペア:

[(1, 20970730), (2, 10485365), (5, 4194146), (10, 2097073), (11, 1906430), (22, 953215), (55, 381286), (110, 190643), (311, 67430), (613, 34210), (622, 33715), (1226, 17105), (1555, 13486), (3065, 6842), (3110, 6743), (3421, 6130)]