20121701180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143726437}}^1$

素因数の和:143726453

約数の個数: 24

約数和(自身を含む): 48292083168

約数和(自身を除く): 28170381988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143726437, 287452874, 574905748, 718632185, 1006085059, 1437264370, 2012170118, 2874528740, 4024340236, 5030425295, 10060850590, 20121701180]

約数ペア:

[(1, 20121701180), (2, 10060850590), (4, 5030425295), (5, 4024340236), (7, 2874528740), (10, 2012170118), (14, 1437264370), (20, 1006085059), (28, 718632185), (35, 574905748), (70, 287452874), (140, 143726437)]