20107484

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{701}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 36088416

約数和(自身を除く): 15980932

約数列:

[1, 2, 4, 71, 101, 142, 202, 284, 404, 701, 1402, 2804, 7171, 14342, 28684, 49771, 70801, 99542, 141602, 199084, 283204, 5026871, 10053742, 20107484]

約数ペア:

[(1, 20107484), (2, 10053742), (4, 5026871), (71, 283204), (101, 199084), (142, 141602), (202, 99542), (284, 70801), (404, 49771), (701, 28684), (1402, 14342), (2804, 7171)]