20123621830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154797091}}^1$

素因数の和:154797111

約数の個数: 16

約数和(自身を含む): 39008867184

約数和(自身を除く): 18885245354

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 154797091, 309594182, 773985455, 1547970910, 2012362183, 4024724366, 10061810915, 20123621830]

約数ペア:

[(1, 20123621830), (2, 10061810915), (5, 4024724366), (10, 2012362183), (13, 1547970910), (26, 773985455), (65, 309594182), (130, 154797091)]