20090906080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17938309}}^1$

素因数の和:17938331

約数の個数: 48

約数和(自身を含む): 54245449440

約数和(自身を除く): 34154543360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17938309, 35876618, 71753236, 89691545, 125568163, 143506472, 179383090, 251136326, 287012944, 358766180, 502272652, 574025888, 627840815, 717532360, 1004545304, 1255681630, 1435064720, 2009090608, 2511363260, 2870129440, 4018181216, 5022726520, 10045453040, 20090906080]

約数ペア:

[(1, 20090906080), (2, 10045453040), (4, 5022726520), (5, 4018181216), (7, 2870129440), (8, 2511363260), (10, 2009090608), (14, 1435064720), (16, 1255681630), (20, 1004545304), (28, 717532360), (32, 627840815), (35, 574025888), (40, 502272652), (56, 358766180), (70, 287012944), (80, 251136326), (112, 179383090), (140, 143506472), (160, 125568163), (224, 89691545), (280, 71753236), (560, 35876618), (1120, 17938309)]