20540904

素因数分解:

$2^3\times 3^1\times {\mathrm{191}}^1\times {\mathrm{4481}}^1$

素因数の和:4681

約数の個数: 32

約数和(自身を含む): 51632640

約数和(自身を除く): 31091736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 191, 382, 573, 764, 1146, 1528, 2292, 4481, 4584, 8962, 13443, 17924, 26886, 35848, 53772, 107544, 855871, 1711742, 2567613, 3423484, 5135226, 6846968, 10270452, 20540904]

約数ペア:

[(1, 20540904), (2, 10270452), (3, 6846968), (4, 5135226), (6, 3423484), (8, 2567613), (12, 1711742), (24, 855871), (191, 107544), (382, 53772), (573, 35848), (764, 26886), (1146, 17924), (1528, 13443), (2292, 8962), (4481, 4584)]