20178767556

素因数分解:

$2^2\times 3^2\times {\mathrm{560521321}}^1$

素因数の和:560521331

約数の個数: 18

約数和(自身を含む): 51007440302

約数和(自身を除く): 30828672746

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 560521321, 1121042642, 1681563963, 2242085284, 3363127926, 5044691889, 6726255852, 10089383778, 20178767556]

約数ペア:

[(1, 20178767556), (2, 10089383778), (3, 6726255852), (4, 5044691889), (6, 3363127926), (9, 2242085284), (12, 1681563963), (18, 1121042642), (36, 560521321)]