20171783020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14205481}}^1$

素因数の和:14205561

約数の個数: 24

約数和(自身を含む): 42957377568

約数和(自身を除く): 22785594548

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 14205481, 28410962, 56821924, 71027405, 142054810, 284109620, 1008589151, 2017178302, 4034356604, 5042945755, 10085891510, 20171783020]

約数ペア:

[(1, 20171783020), (2, 10085891510), (4, 5042945755), (5, 4034356604), (10, 2017178302), (20, 1008589151), (71, 284109620), (142, 142054810), (284, 71027405), (355, 56821924), (710, 28410962), (1420, 14205481)]