20471874055

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1\times {\mathrm{123017}}^1$

素因数の和:123506

約数の個数: 16

約数和(自身を含む): 24924430944

約数和(自身を除く): 4452556889

約数列:

[1, 5, 83, 401, 415, 2005, 33283, 123017, 166415, 615085, 10210411, 49329817, 51052055, 246649085, 4094374811, 20471874055]

約数ペア:

[(1, 20471874055), (5, 4094374811), (83, 246649085), (401, 51052055), (415, 49329817), (2005, 10210411), (33283, 615085), (123017, 166415)]