20120779731

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{3727}}^1\times {\mathrm{138427}}^1$

素因数の和:142170

約数の個数: 16

約数和(自身を含む): 28899336704

約数和(自身を除く): 8778556973

約数列:

[1, 3, 13, 39, 3727, 11181, 48451, 138427, 145353, 415281, 1799551, 5398653, 515917429, 1547752287, 6706926577, 20120779731]

約数ペア:

[(1, 20120779731), (3, 6706926577), (13, 1547752287), (39, 515917429), (3727, 5398653), (11181, 1799551), (48451, 415281), (138427, 145353)]