2021939504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9720863}}^1$

素因数の和:9720884

約数の個数: 20

約数和(自身を含む): 4218854976

約数和(自身を除く): 2196915472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9720863, 19441726, 38883452, 77766904, 126371219, 155533808, 252742438, 505484876, 1010969752, 2021939504]

約数ペア:

[(1, 2021939504), (2, 1010969752), (4, 505484876), (8, 252742438), (13, 155533808), (16, 126371219), (26, 77766904), (52, 38883452), (104, 19441726), (208, 9720863)]