20561262

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{201581}}^1$

素因数の和:201603

約数の個数: 16

約数和(自身を含む): 43541712

約数和(自身を除く): 22980450

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 201581, 403162, 604743, 1209486, 3426877, 6853754, 10280631, 20561262]

約数ペア:

[(1, 20561262), (2, 10280631), (3, 6853754), (6, 3426877), (17, 1209486), (34, 604743), (51, 403162), (102, 201581)]