20853268

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{727}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 37425024

約数和(自身を除く): 16571756

約数列:

[1, 2, 4, 71, 101, 142, 202, 284, 404, 727, 1454, 2908, 7171, 14342, 28684, 51617, 73427, 103234, 146854, 206468, 293708, 5213317, 10426634, 20853268]

約数ペア:

[(1, 20853268), (2, 10426634), (4, 5213317), (71, 293708), (101, 206468), (142, 146854), (202, 103234), (284, 73427), (404, 51617), (727, 28684), (1454, 14342), (2908, 7171)]