20017060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{142979}}^1$

素因数の和:142995

約数の個数: 24

約数和(自身を含む): 48041280

約数和(自身を除く): 28024220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 142979, 285958, 571916, 714895, 1000853, 1429790, 2001706, 2859580, 4003412, 5004265, 10008530, 20017060]

約数ペア:

[(1, 20017060), (2, 10008530), (4, 5004265), (5, 4003412), (7, 2859580), (10, 2001706), (14, 1429790), (20, 1000853), (28, 714895), (35, 571916), (70, 285958), (140, 142979)]