20208713913

素因数分解:

$3^2\times {\mathrm{43}}^2\times {\mathrm{1214393}}^1$

素因数の和:1214485

約数の個数: 18

約数和(自身を含む): 29885021946

約数和(自身を除く): 9676308033

約数列:

[1, 3, 9, 43, 129, 387, 1849, 5547, 16641, 1214393, 3643179, 10929537, 52218899, 156656697, 469970091, 2245412657, 6736237971, 20208713913]

約数ペア:

[(1, 20208713913), (3, 6736237971), (9, 2245412657), (43, 469970091), (129, 156656697), (387, 52218899), (1849, 10929537), (5547, 3643179), (16641, 1214393)]