20809408084

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{2557}}^1\times {\mathrm{70157}}^1$

素因数の和:72747

約数の個数: 24

約数和(自身を含む): 37687474440

約数和(自身を除く): 16878066356

約数列:

[1, 2, 4, 29, 58, 116, 2557, 5114, 10228, 70157, 74153, 140314, 148306, 280628, 296612, 2034553, 4069106, 8138212, 179391449, 358782898, 717565796, 5202352021, 10404704042, 20809408084]

約数ペア:

[(1, 20809408084), (2, 10404704042), (4, 5202352021), (29, 717565796), (58, 358782898), (116, 179391449), (2557, 8138212), (5114, 4069106), (10228, 2034553), (70157, 296612), (74153, 280628), (140314, 148306)]