201668020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{325271}}^1$

素因数の和:325311

約数の個数: 24

約数和(自身を含む): 437165568

約数和(自身を除く): 235497548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 325271, 650542, 1301084, 1626355, 3252710, 6505420, 10083401, 20166802, 40333604, 50417005, 100834010, 201668020]

約数ペア:

[(1, 201668020), (2, 100834010), (4, 50417005), (5, 40333604), (10, 20166802), (20, 10083401), (31, 6505420), (62, 3252710), (124, 1626355), (155, 1301084), (310, 650542), (620, 325271)]