20497529

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{677}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 23578128

約数和(自身を除く): 3080599

約数列:

[1, 13, 17, 137, 221, 677, 1781, 2329, 8801, 11509, 30277, 92749, 149617, 1205737, 1576733, 20497529]

約数ペア:

[(1, 20497529), (13, 1576733), (17, 1205737), (137, 149617), (221, 92749), (677, 30277), (1781, 11509), (2329, 8801)]