20137585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^2\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 26769960

約数和(自身を除く): 6632375

約数列:

[1, 5, 13, 59, 65, 89, 295, 445, 767, 1157, 3481, 3835, 5251, 5785, 17405, 26255, 45253, 68263, 226265, 309809, 341315, 1549045, 4027517, 20137585]

約数ペア:

[(1, 20137585), (5, 4027517), (13, 1549045), (59, 341315), (65, 309809), (89, 226265), (295, 68263), (445, 45253), (767, 26255), (1157, 17405), (3481, 5785), (3835, 5251)]