20201744

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29363}}^1$

素因数の和:29414

約数の個数: 20

約数和(自身を含む): 40052496

約数和(自身を除く): 19850752

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29363, 58726, 117452, 234904, 469808, 1262609, 2525218, 5050436, 10100872, 20201744]

約数ペア:

[(1, 20201744), (2, 10100872), (4, 5050436), (8, 2525218), (16, 1262609), (43, 469808), (86, 234904), (172, 117452), (344, 58726), (688, 29363)]