20406988797

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{856393}}^1$

素因数の和:856469

約数の個数: 24

約数和(自身を含む): 30090259584

約数和(自身を除く): 9683270787

約数列:

[1, 3, 13, 39, 47, 141, 169, 507, 611, 1833, 7943, 23829, 856393, 2569179, 11133109, 33399327, 40250471, 120751413, 144730417, 434191251, 523256123, 1569768369, 6802329599, 20406988797]

約数ペア:

[(1, 20406988797), (3, 6802329599), (13, 1569768369), (39, 523256123), (47, 434191251), (141, 144730417), (169, 120751413), (507, 40250471), (611, 33399327), (1833, 11133109), (7943, 2569179), (23829, 856393)]