20317650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{7129}}^1$

素因数の和:7163

約数の個数: 48

約数和(自身を含む): 53047200

約数和(自身を除く): 32729550

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 150, 190, 285, 475, 570, 950, 1425, 2850, 7129, 14258, 21387, 35645, 42774, 71290, 106935, 135451, 178225, 213870, 270902, 356450, 406353, 534675, 677255, 812706, 1069350, 1354510, 2031765, 3386275, 4063530, 6772550, 10158825, 20317650]

約数ペア:

[(1, 20317650), (2, 10158825), (3, 6772550), (5, 4063530), (6, 3386275), (10, 2031765), (15, 1354510), (19, 1069350), (25, 812706), (30, 677255), (38, 534675), (50, 406353), (57, 356450), (75, 270902), (95, 213870), (114, 178225), (150, 135451), (190, 106935), (285, 71290), (475, 42774), (570, 35645), (950, 21387), (1425, 14258), (2850, 7129)]