20255585

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{577}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 29963520

約数和(自身を除く): 9707935

約数列:

[1, 5, 7, 17, 35, 59, 85, 119, 295, 413, 577, 595, 1003, 2065, 2885, 4039, 5015, 7021, 9809, 20195, 34043, 35105, 49045, 68663, 170215, 238301, 343315, 578731, 1191505, 2893655, 4051117, 20255585]

約数ペア:

[(1, 20255585), (5, 4051117), (7, 2893655), (17, 1191505), (35, 578731), (59, 343315), (85, 238301), (119, 170215), (295, 68663), (413, 49045), (577, 35105), (595, 34043), (1003, 20195), (2065, 9809), (2885, 7021), (4039, 5015)]