20822265

素因数分解:

$3^4\times 5^1\times {\mathrm{51413}}^1$

素因数の和:51430

約数の個数: 20

約数和(自身を含む): 37326564

約数和(自身を除く): 16504299

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 51413, 154239, 257065, 462717, 771195, 1388151, 2313585, 4164453, 6940755, 20822265]

約数ペア:

[(1, 20822265), (3, 6940755), (5, 4164453), (9, 2313585), (15, 1388151), (27, 771195), (45, 462717), (81, 257065), (135, 154239), (405, 51413)]