20175887421

素因数分解:

$3^2\times {\mathrm{239}}^1\times {\mathrm{307}}^1\times {\mathrm{30553}}^1$

素因数の和:31105

約数の個数: 24

約数和(自身を含む): 29361171840

約数和(自身を除く): 9185284419

約数列:

[1, 3, 9, 239, 307, 717, 921, 2151, 2763, 30553, 73373, 91659, 220119, 274977, 660357, 7302167, 9379771, 21906501, 28139313, 65719503, 84417939, 2241765269, 6725295807, 20175887421]

約数ペア:

[(1, 20175887421), (3, 6725295807), (9, 2241765269), (239, 84417939), (307, 65719503), (717, 28139313), (921, 21906501), (2151, 9379771), (2763, 7302167), (30553, 660357), (73373, 274977), (91659, 220119)]