20219955838

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{256931}}^1$

素因数の和:257080

約数の個数: 24

約数和(自身を含む): 32304060360

約数和(自身を除く): 12084104522

約数列:

[1, 2, 19, 38, 109, 218, 361, 722, 2071, 4142, 39349, 78698, 256931, 513862, 4881689, 9763378, 28005479, 56010958, 92752091, 185504182, 532104101, 1064208202, 10109977919, 20219955838]

約数ペア:

[(1, 20219955838), (2, 10109977919), (19, 1064208202), (38, 532104101), (109, 185504182), (218, 92752091), (361, 56010958), (722, 28005479), (2071, 9763378), (4142, 4881689), (39349, 513862), (78698, 256931)]