20980252943

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{290839}}^1$

素因数の和:291062

約数の個数: 16

約数和(自身を含む): 23453337600

約数和(自身を除く): 2473084657

約数列:

[1, 13, 31, 179, 403, 2327, 5549, 72137, 290839, 3780907, 9016009, 52060181, 117208117, 676782353, 1613865611, 20980252943]

約数ペア:

[(1, 20980252943), (13, 1613865611), (31, 676782353), (179, 117208117), (403, 52060181), (2327, 9016009), (5549, 3780907), (72137, 290839)]