20772585

素因数分解:

$3^3\times 5^1\times {\mathrm{153871}}^1$

素因数の和:153885

約数の個数: 16

約数和(自身を含む): 36929280

約数和(自身を除く): 16156695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 153871, 461613, 769355, 1384839, 2308065, 4154517, 6924195, 20772585]

約数ペア:

[(1, 20772585), (3, 6924195), (5, 4154517), (9, 2308065), (15, 1384839), (27, 769355), (45, 461613), (135, 153871)]