20149541240

素因数分解:

$2^3\times 5^1\times {\mathrm{503738531}}^1$

素因数の和:503738542

約数の個数: 16

約数和(自身を含む): 45336467880

約数和(自身を除く): 25186926640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503738531, 1007477062, 2014954124, 2518692655, 4029908248, 5037385310, 10074770620, 20149541240]

約数ペア:

[(1, 20149541240), (2, 10074770620), (4, 5037385310), (5, 4029908248), (8, 2518692655), (10, 2014954124), (20, 1007477062), (40, 503738531)]