20417818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{941}}^1$

素因数の和:1533

約数の個数: 16

約数和(自身を含む): 32329440

約数和(自身を除く): 11911622

約数列:

[1, 2, 19, 38, 571, 941, 1142, 1882, 10849, 17879, 21698, 35758, 537311, 1074622, 10208909, 20417818]

約数ペア:

[(1, 20417818), (2, 10208909), (19, 1074622), (38, 537311), (571, 35758), (941, 21698), (1142, 17879), (1882, 10849)]