2227654820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1568771}}^1$

素因数の和:1568851

約数の個数: 24

約数和(自身を含む): 4743966528

約数和(自身を除く): 2516311708

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1568771, 3137542, 6275084, 7843855, 15687710, 31375420, 111382741, 222765482, 445530964, 556913705, 1113827410, 2227654820]

約数ペア:

[(1, 2227654820), (2, 1113827410), (4, 556913705), (5, 445530964), (10, 222765482), (20, 111382741), (71, 31375420), (142, 15687710), (284, 7843855), (355, 6275084), (710, 3137542), (1420, 1568771)]