20547590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2693}}^1$

素因数の和:2816

約数の個数: 32

約数和(自身を含む): 42672960

約数和(自身を除く): 22125370

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 2693, 3815, 5386, 7630, 13465, 18851, 26930, 37702, 94255, 188510, 293537, 587074, 1467685, 2054759, 2935370, 4109518, 10273795, 20547590]

約数ペア:

[(1, 20547590), (2, 10273795), (5, 4109518), (7, 2935370), (10, 2054759), (14, 1467685), (35, 587074), (70, 293537), (109, 188510), (218, 94255), (545, 37702), (763, 26930), (1090, 18851), (1526, 13465), (2693, 7630), (3815, 5386)]