20741535

素因数分解:

$3^3\times 5^1\times {\mathrm{153641}}^1$

素因数の和:153655

約数の個数: 16

約数和(自身を含む): 36874080

約数和(自身を除く): 16132545

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 153641, 460923, 768205, 1382769, 2304615, 4148307, 6913845, 20741535]

約数ペア:

[(1, 20741535), (3, 6913845), (5, 4148307), (9, 2304615), (15, 1382769), (27, 768205), (45, 460923), (135, 153641)]