20150165

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 29425920

約数和(自身を除く): 9275755

約数列:

[1, 5, 7, 19, 35, 95, 133, 157, 193, 665, 785, 965, 1099, 1351, 2983, 3667, 5495, 6755, 14915, 18335, 20881, 25669, 30301, 104405, 128345, 151505, 212107, 575719, 1060535, 2878595, 4030033, 20150165]

約数ペア:

[(1, 20150165), (5, 4030033), (7, 2878595), (19, 1060535), (35, 575719), (95, 212107), (133, 151505), (157, 128345), (193, 104405), (665, 30301), (785, 25669), (965, 20881), (1099, 18335), (1351, 14915), (2983, 6755), (3667, 5495)]