20401017

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{74729}}^1$

素因数の和:74752

約数の個数: 16

約数和(自身を含む): 33479040

約数和(自身を除く): 13078023

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 74729, 224187, 523103, 971477, 1569309, 2914431, 6800339, 20401017]

約数ペア:

[(1, 20401017), (3, 6800339), (7, 2914431), (13, 1569309), (21, 971477), (39, 523103), (91, 224187), (273, 74729)]