20063965

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1009}}^1$

素因数の和:1152

約数の個数: 16

約数和(自身を含む): 24942960

約数和(自身を除く): 4878995

約数列:

[1, 5, 41, 97, 205, 485, 1009, 3977, 5045, 19885, 41369, 97873, 206845, 489365, 4012793, 20063965]

約数ペア:

[(1, 20063965), (5, 4012793), (41, 489365), (97, 206845), (205, 97873), (485, 41369), (1009, 19885), (3977, 5045)]