20581886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{1283}}^1$

素因数の和:1915

約数の個数: 16

約数和(自身を含む): 33327504

約数和(自身を除く): 12745618

約数列:

[1, 2, 13, 26, 617, 1234, 1283, 2566, 8021, 16042, 16679, 33358, 791611, 1583222, 10290943, 20581886]

約数ペア:

[(1, 20581886), (2, 10290943), (13, 1583222), (26, 791611), (617, 33358), (1234, 16679), (1283, 16042), (2566, 8021)]