20687527

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1009}}^1$

素因数の和:1146

約数の個数: 16

約数和(自身を含む): 24724800

約数和(自身を除く): 4037273

約数列:

[1, 7, 29, 101, 203, 707, 1009, 2929, 7063, 20503, 29261, 101909, 204827, 713363, 2955361, 20687527]

約数ペア:

[(1, 20687527), (7, 2955361), (29, 713363), (101, 204827), (203, 101909), (707, 29261), (1009, 20503), (2929, 7063)]