20137180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8461}}^1$

素因数の和:8494

約数の個数: 48

約数和(自身を含む): 51178176

約数和(自身を除く): 31040996

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8461, 16922, 33844, 42305, 59227, 84610, 118454, 143837, 169220, 236908, 287674, 296135, 575348, 592270, 719185, 1006859, 1184540, 1438370, 2013718, 2876740, 4027436, 5034295, 10068590, 20137180]

約数ペア:

[(1, 20137180), (2, 10068590), (4, 5034295), (5, 4027436), (7, 2876740), (10, 2013718), (14, 1438370), (17, 1184540), (20, 1006859), (28, 719185), (34, 592270), (35, 575348), (68, 296135), (70, 287674), (85, 236908), (119, 169220), (140, 143837), (170, 118454), (238, 84610), (340, 59227), (476, 42305), (595, 33844), (1190, 16922), (2380, 8461)]