20145027159

素因数分解:

$3^4\times {\mathrm{521}}^1\times {\mathrm{477359}}^1$

素因数の和:477892

約数の個数: 20

約数和(自身を含む): 30151012320

約数和(自身を除く): 10005985161

約数列:

[1, 3, 9, 27, 81, 521, 1563, 4689, 14067, 42201, 477359, 1432077, 4296231, 12888693, 38666079, 248704039, 746112117, 2238336351, 6715009053, 20145027159]

約数ペア:

[(1, 20145027159), (3, 6715009053), (9, 2238336351), (27, 746112117), (81, 248704039), (521, 38666079), (1563, 12888693), (4689, 4296231), (14067, 1432077), (42201, 477359)]