20791664

素因数分解:

$2^4\times {\mathrm{1129}}^1\times {\mathrm{1151}}^1$

素因数の和:2288

約数の個数: 20

約数和(自身を含む): 40354560

約数和(自身を除く): 19562896

約数列:

[1, 2, 4, 8, 16, 1129, 1151, 2258, 2302, 4516, 4604, 9032, 9208, 18064, 18416, 1299479, 2598958, 5197916, 10395832, 20791664]

約数ペア:

[(1, 20791664), (2, 10395832), (4, 5197916), (8, 2598958), (16, 1299479), (1129, 18416), (1151, 18064), (2258, 9208), (2302, 9032), (4516, 4604)]