20148245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{773}}^1$

素因数の和:1192

約数の個数: 16

約数和(自身を含む): 26136432

約数和(自身を除く): 5988187

約数列:

[1, 5, 13, 65, 401, 773, 2005, 3865, 5213, 10049, 26065, 50245, 309973, 1549865, 4029649, 20148245]

約数ペア:

[(1, 20148245), (5, 4029649), (13, 1549865), (65, 309973), (401, 50245), (773, 26065), (2005, 10049), (3865, 5213)]