20551460

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3631}}^1$

素因数の和:3923

約数の個数: 24

約数和(自身を含む): 43322496

約数和(自身を除く): 22771036

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 3631, 5660, 7262, 14524, 18155, 36310, 72620, 1027573, 2055146, 4110292, 5137865, 10275730, 20551460]

約数ペア:

[(1, 20551460), (2, 10275730), (4, 5137865), (5, 4110292), (10, 2055146), (20, 1027573), (283, 72620), (566, 36310), (1132, 18155), (1415, 14524), (2830, 7262), (3631, 5660)]