20123657853

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{100957}}^1$

素因数の和:101261

約数の個数: 32

約数和(自身を含む): 30529699200

約数和(自身を除く): 10406041347

約数列:

[1, 3, 13, 19, 39, 57, 247, 269, 741, 807, 3497, 5111, 10491, 15333, 66443, 100957, 199329, 302871, 1312441, 1918183, 3937323, 5754549, 24936379, 27157433, 74809137, 81472299, 353046629, 515991227, 1059139887, 1547973681, 6707885951, 20123657853]

約数ペア:

[(1, 20123657853), (3, 6707885951), (13, 1547973681), (19, 1059139887), (39, 515991227), (57, 353046629), (247, 81472299), (269, 74809137), (741, 27157433), (807, 24936379), (3497, 5754549), (5111, 3937323), (10491, 1918183), (15333, 1312441), (66443, 302871), (100957, 199329)]