20205845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15973}}^1$

素因数の和:16012

約数の個数: 16

約数和(自身を含む): 27603072

約数和(自身を除く): 7397227

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 15973, 79865, 175703, 367379, 878515, 1836895, 4041169, 20205845]

約数ペア:

[(1, 20205845), (5, 4041169), (11, 1836895), (23, 878515), (55, 367379), (115, 175703), (253, 79865), (1265, 15973)]