20028533

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3581}}^1$

素因数の和:3652

約数の個数: 16

約数和(自身を含む): 24758784

約数和(自身を除く): 4730251

約数列:

[1, 7, 17, 47, 119, 329, 799, 3581, 5593, 25067, 60877, 168307, 426139, 1178149, 2861219, 20028533]

約数ペア:

[(1, 20028533), (7, 2861219), (17, 1178149), (47, 426139), (119, 168307), (329, 60877), (799, 25067), (3581, 5593)]