20860359

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{2131}}^1$

素因数の和:2398

約数の個数: 16

約数和(自身を含む): 30086784

約数和(自身を除く): 9226425

約数列:

[1, 3, 13, 39, 251, 753, 2131, 3263, 6393, 9789, 27703, 83109, 534881, 1604643, 6953453, 20860359]

約数ペア:

[(1, 20860359), (3, 6953453), (13, 1604643), (39, 534881), (251, 83109), (753, 27703), (2131, 9789), (3263, 6393)]