20917110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4441}}^1$

素因数の和:4608

約数の個数: 32

約数和(自身を含む): 50532192

約数和(自身を除く): 29615082

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 157, 314, 471, 785, 942, 1570, 2355, 4441, 4710, 8882, 13323, 22205, 26646, 44410, 66615, 133230, 697237, 1394474, 2091711, 3486185, 4183422, 6972370, 10458555, 20917110]

約数ペア:

[(1, 20917110), (2, 10458555), (3, 6972370), (5, 4183422), (6, 3486185), (10, 2091711), (15, 1394474), (30, 697237), (157, 133230), (314, 66615), (471, 44410), (785, 26646), (942, 22205), (1570, 13323), (2355, 8882), (4441, 4710)]