20512583

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{523}}^1$

素因数の和:974

約数の個数: 16

約数和(自身を含む): 25353216

約数和(自身を除く): 4840633

約数列:

[1, 7, 13, 91, 431, 523, 3017, 3661, 5603, 6799, 39221, 47593, 225413, 1577891, 2930369, 20512583]

約数ペア:

[(1, 20512583), (7, 2930369), (13, 1577891), (91, 225413), (431, 47593), (523, 39221), (3017, 6799), (3661, 5603)]