20122360

素因数分解:

$2^3\times 5^1\times {\mathrm{587}}^1\times {\mathrm{857}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 45405360

約数和(自身を除く): 25283000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 587, 857, 1174, 1714, 2348, 2935, 3428, 4285, 4696, 5870, 6856, 8570, 11740, 17140, 23480, 34280, 503059, 1006118, 2012236, 2515295, 4024472, 5030590, 10061180, 20122360]

約数ペア:

[(1, 20122360), (2, 10061180), (4, 5030590), (5, 4024472), (8, 2515295), (10, 2012236), (20, 1006118), (40, 503059), (587, 34280), (857, 23480), (1174, 17140), (1714, 11740), (2348, 8570), (2935, 6856), (3428, 5870), (4285, 4696)]