20698210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1409}}^1$

素因数の和:1542

約数の個数: 32

約数和(自身を含む): 40506480

約数和(自身を除く): 19808270

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 226, 565, 1130, 1409, 1469, 2818, 2938, 7045, 7345, 14090, 14690, 18317, 36634, 91585, 159217, 183170, 318434, 796085, 1592170, 2069821, 4139642, 10349105, 20698210]

約数ペア:

[(1, 20698210), (2, 10349105), (5, 4139642), (10, 2069821), (13, 1592170), (26, 796085), (65, 318434), (113, 183170), (130, 159217), (226, 91585), (565, 36634), (1130, 18317), (1409, 14690), (1469, 14090), (2818, 7345), (2938, 7045)]