20129544968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{193553317}}^1$

素因数の和:193553336

約数の個数: 16

約数和(自身を含む): 40646196780

約数和(自身を除く): 20516651812

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 193553317, 387106634, 774213268, 1548426536, 2516193121, 5032386242, 10064772484, 20129544968]

約数ペア:

[(1, 20129544968), (2, 10064772484), (4, 5032386242), (8, 2516193121), (13, 1548426536), (26, 774213268), (52, 387106634), (104, 193553317)]