20883585

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19609}}^1$

素因数の和:19688

約数の個数: 16

約数和(自身を含む): 33886080

約数和(自身を除く): 13002495

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 19609, 58827, 98045, 294135, 1392239, 4176717, 6961195, 20883585]

約数ペア:

[(1, 20883585), (3, 6961195), (5, 4176717), (15, 1392239), (71, 294135), (213, 98045), (355, 58827), (1065, 19609)]