20196495

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40801}}^1$

素因数の和:40823

約数の個数: 24

約数和(自身を含む): 38190672

約数和(自身を除く): 17994177

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40801, 122403, 204005, 367209, 448811, 612015, 1346433, 1836045, 2244055, 4039299, 6732165, 20196495]

約数ペア:

[(1, 20196495), (3, 6732165), (5, 4039299), (9, 2244055), (11, 1836045), (15, 1346433), (33, 612015), (45, 448811), (55, 367209), (99, 204005), (165, 122403), (495, 40801)]