20568580

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17431}}^1$

素因数の和:17499

約数の個数: 24

約数和(自身を含む): 43928640

約数和(自身を除く): 23360060

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 17431, 34862, 69724, 87155, 174310, 348620, 1028429, 2056858, 4113716, 5142145, 10284290, 20568580]

約数ペア:

[(1, 20568580), (2, 10284290), (4, 5142145), (5, 4113716), (10, 2056858), (20, 1028429), (59, 348620), (118, 174310), (236, 87155), (295, 69724), (590, 34862), (1180, 17431)]