20148296870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154986899}}^1$

素因数の和:154986919

約数の個数: 16

約数和(自身を含む): 39056698800

約数和(自身を除く): 18908401930

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 154986899, 309973798, 774934495, 1549868990, 2014829687, 4029659374, 10074148435, 20148296870]

約数ペア:

[(1, 20148296870), (2, 10074148435), (5, 4029659374), (10, 2014829687), (13, 1549868990), (26, 774934495), (65, 309973798), (130, 154986899)]