20414320

素因数分解:

$2^4\times 5^1\times {\mathrm{255179}}^1$

素因数の和:255192

約数の個数: 20

約数和(自身を含む): 47463480

約数和(自身を除く): 27049160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 255179, 510358, 1020716, 1275895, 2041432, 2551790, 4082864, 5103580, 10207160, 20414320]

約数ペア:

[(1, 20414320), (2, 10207160), (4, 5103580), (5, 4082864), (8, 2551790), (10, 2041432), (16, 1275895), (20, 1020716), (40, 510358), (80, 255179)]