20207901

素因数分解:

$3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{2539}}^1$

素因数の和:2928

約数の個数: 16

約数和(自身を含む): 30886400

約数和(自身を除く): 10678499

約数列:

[1, 3, 7, 21, 379, 1137, 2539, 2653, 7617, 7959, 17773, 53319, 962281, 2886843, 6735967, 20207901]

約数ペア:

[(1, 20207901), (3, 6735967), (7, 2886843), (21, 962281), (379, 53319), (1137, 17773), (2539, 7959), (2653, 7617)]