201161420

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{12251}}^1$

素因数の和:13081

約数の個数: 24

約数和(自身を含む): 422988048

約数和(自身を除く): 221826628

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 8210, 12251, 16420, 24502, 49004, 61255, 122510, 245020, 10058071, 20116142, 40232284, 50290355, 100580710, 201161420]

約数ペア:

[(1, 201161420), (2, 100580710), (4, 50290355), (5, 40232284), (10, 20116142), (20, 10058071), (821, 245020), (1642, 122510), (3284, 61255), (4105, 49004), (8210, 24502), (12251, 16420)]