20205815

素因数分解:

$5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{2521}}^1$

素因数の和:2762

約数の個数: 16

約数和(自身を含む): 27842880

約数和(自身を除く): 7637065

約数列:

[1, 5, 7, 35, 229, 1145, 1603, 2521, 8015, 12605, 17647, 88235, 577309, 2886545, 4041163, 20205815]

約数ペア:

[(1, 20205815), (5, 4041163), (7, 2886545), (35, 577309), (229, 88235), (1145, 17647), (1603, 12605), (2521, 8015)]