20134975679

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{645083}}^1$

素因数の和:645124

約数の個数: 20

約数和(自身を含む): 25296323976

約数和(自身を除く): 5161348297

約数列:

[1, 7, 13, 49, 91, 343, 637, 2401, 4459, 31213, 645083, 4515581, 8386079, 31609067, 58702553, 221263469, 410917871, 1548844283, 2876425097, 20134975679]

約数ペア:

[(1, 20134975679), (7, 2876425097), (13, 1548844283), (49, 410917871), (91, 221263469), (343, 58702553), (637, 31609067), (2401, 8386079), (4459, 4515581), (31213, 645083)]