20542713

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1637}}^1$

素因数の和:1776

約数の個数: 16

約数和(自身を含む): 28304640

約数和(自身を除く): 7761927

約数列:

[1, 3, 47, 89, 141, 267, 1637, 4183, 4911, 12549, 76939, 145693, 230817, 437079, 6847571, 20542713]

約数ペア:

[(1, 20542713), (3, 6847571), (47, 437079), (89, 230817), (141, 145693), (267, 76939), (1637, 12549), (4183, 4911)]