20461808

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29741}}^1$

素因数の和:29792

約数の個数: 20

約数和(自身を含む): 40568088

約数和(自身を除く): 20106280

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29741, 59482, 118964, 237928, 475856, 1278863, 2557726, 5115452, 10230904, 20461808]

約数ペア:

[(1, 20461808), (2, 10230904), (4, 5115452), (8, 2557726), (16, 1278863), (43, 475856), (86, 237928), (172, 118964), (344, 59482), (688, 29741)]