20120149491

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{967}}^1\times {\mathrm{41039}}^1$

素因数の和:42035

約数の個数: 24

約数和(自身を含む): 29079959040

約数和(自身を除く): 8959809549

約数列:

[1, 3, 13, 39, 169, 507, 967, 2901, 12571, 37713, 41039, 123117, 163423, 490269, 533507, 1600521, 6935591, 20806773, 39684713, 119054139, 515901269, 1547703807, 6706716497, 20120149491]

約数ペア:

[(1, 20120149491), (3, 6706716497), (13, 1547703807), (39, 515901269), (169, 119054139), (507, 39684713), (967, 20806773), (2901, 6935591), (12571, 1600521), (37713, 533507), (41039, 490269), (123117, 163423)]