20848610

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 38646720

約数和(自身を除く): 17798110

約数列:

[1, 2, 5, 10, 53, 106, 139, 265, 278, 283, 530, 566, 695, 1390, 1415, 2830, 7367, 14734, 14999, 29998, 36835, 39337, 73670, 74995, 78674, 149990, 196685, 393370, 2084861, 4169722, 10424305, 20848610]

約数ペア:

[(1, 20848610), (2, 10424305), (5, 4169722), (10, 2084861), (53, 393370), (106, 196685), (139, 149990), (265, 78674), (278, 74995), (283, 73670), (530, 39337), (566, 36835), (695, 29998), (1390, 14999), (1415, 14734), (2830, 7367)]