20007160

素因数分解:

$2^3\times 5^1\times {\mathrm{500179}}^1$

素因数の和:500190

約数の個数: 16

約数和(自身を含む): 45016200

約数和(自身を除く): 25009040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 500179, 1000358, 2000716, 2500895, 4001432, 5001790, 10003580, 20007160]

約数ペア:

[(1, 20007160), (2, 10003580), (4, 5001790), (5, 4001432), (8, 2500895), (10, 2000716), (20, 1000358), (40, 500179)]