20385585

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41183}}^1$

素因数の和:41205

約数の個数: 24

約数和(自身を含む): 38548224

約数和(自身を除く): 18162639

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 41183, 123549, 205915, 370647, 453013, 617745, 1359039, 1853235, 2265065, 4077117, 6795195, 20385585]

約数ペア:

[(1, 20385585), (3, 6795195), (5, 4077117), (9, 2265065), (11, 1853235), (15, 1359039), (33, 617745), (45, 453013), (55, 370647), (99, 205915), (165, 123549), (495, 41183)]