20121295481

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{222293}}^1$

素因数の和:222560

約数の個数: 16

約数和(自身を含む): 23460019584

約数和(自身を除く): 3338724103

約数列:

[1, 7, 67, 193, 469, 1351, 12931, 90517, 222293, 1556051, 14893631, 42902549, 104255417, 300317843, 2874470783, 20121295481]

約数ペア:

[(1, 20121295481), (7, 2874470783), (67, 300317843), (193, 104255417), (469, 42902549), (1351, 14893631), (12931, 1556051), (90517, 222293)]