20523867

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{5783}}^1$

素因数の和:5819

約数の個数: 24

約数和(自身を含む): 33871104

約数和(自身を除く): 13347237

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 5783, 17349, 40481, 75179, 121443, 225537, 526253, 977327, 1578759, 2931981, 6841289, 20523867]

約数ペア:

[(1, 20523867), (3, 6841289), (7, 2931981), (13, 1578759), (21, 977327), (39, 526253), (91, 225537), (169, 121443), (273, 75179), (507, 40481), (1183, 17349), (3549, 5783)]