20501075

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3779}}^1$

素因数の和:3827

約数の個数: 24

約数和(自身を含む): 29998080

約数和(自身を除く): 9497005

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 3779, 5425, 18895, 26453, 94475, 117149, 132265, 585745, 661325, 820043, 2928725, 4100215, 20501075]

約数ペア:

[(1, 20501075), (5, 4100215), (7, 2928725), (25, 820043), (31, 661325), (35, 585745), (155, 132265), (175, 117149), (217, 94475), (775, 26453), (1085, 18895), (3779, 5425)]