20120804060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143720029}}^1$

素因数の和:143720045

約数の個数: 24

約数和(自身を含む): 48289930080

約数和(自身を除く): 28169126020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143720029, 287440058, 574880116, 718600145, 1006040203, 1437200290, 2012080406, 2874400580, 4024160812, 5030201015, 10060402030, 20120804060]

約数ペア:

[(1, 20120804060), (2, 10060402030), (4, 5030201015), (5, 4024160812), (7, 2874400580), (10, 2012080406), (14, 1437200290), (20, 1006040203), (28, 718600145), (35, 574880116), (70, 287440058), (140, 143720029)]