20721207056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{117734131}}^1$

素因数の和:117734150

約数の個数: 20

約数和(自身を含む): 43797097104

約数和(自身を除く): 23075890048

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 117734131, 235468262, 470936524, 941873048, 1295075441, 1883746096, 2590150882, 5180301764, 10360603528, 20721207056]

約数ペア:

[(1, 20721207056), (2, 10360603528), (4, 5180301764), (8, 2590150882), (11, 1883746096), (16, 1295075441), (22, 941873048), (44, 470936524), (88, 235468262), (176, 117734131)]