20859979145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{2207}}^1\times {\mathrm{82189}}^1$

素因数の和:84424

約数の個数: 16

約数和(自身を含む): 26132474880

約数和(自身を除く): 5272495735

約数列:

[1, 5, 23, 115, 2207, 11035, 50761, 82189, 253805, 410945, 1890347, 9451735, 181391123, 906955615, 4171995829, 20859979145]

約数ペア:

[(1, 20859979145), (5, 4171995829), (23, 906955615), (115, 181391123), (2207, 9451735), (11035, 1890347), (50761, 410945), (82189, 253805)]