20356587

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2287}}^1$

素因数の和:2359

約数の個数: 24

約数和(自身を含む): 31409664

約数和(自身を除く): 11053077

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2287, 2967, 6861, 8901, 20583, 52601, 98341, 157803, 295023, 473409, 885069, 2261843, 6785529, 20356587]

約数ペア:

[(1, 20356587), (3, 6785529), (9, 2261843), (23, 885069), (43, 473409), (69, 295023), (129, 157803), (207, 98341), (387, 52601), (989, 20583), (2287, 8901), (2967, 6861)]