20069915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2861}}^1$

素因数の和:2950

約数の個数: 16

約数和(自身を含む): 25551936

約数和(自身を除く): 5482021

約数列:

[1, 5, 23, 61, 115, 305, 1403, 2861, 7015, 14305, 65803, 174521, 329015, 872605, 4013983, 20069915]

約数ペア:

[(1, 20069915), (5, 4013983), (23, 872605), (61, 329015), (115, 174521), (305, 65803), (1403, 14305), (2861, 7015)]