20121325991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1879}}^1\times {\mathrm{10427}}^1$

素因数の和:12398

約数の個数: 16

約数和(自身を含む): 21957196800

約数和(自身を除く): 1835870809

約数列:

[1, 13, 79, 1027, 1879, 10427, 24427, 135551, 148441, 823733, 1929733, 10708529, 19592333, 254700329, 1547794307, 20121325991]

約数ペア:

[(1, 20121325991), (13, 1547794307), (79, 254700329), (1027, 19592333), (1879, 10708529), (10427, 1929733), (24427, 823733), (135551, 148441)]