202171660

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{10139}}^1$

素因数の和:11145

約数の個数: 24

約数和(自身を含む): 425028240

約数和(自身を除く): 222856580

約数列:

[1, 2, 4, 5, 10, 20, 997, 1994, 3988, 4985, 9970, 10139, 19940, 20278, 40556, 50695, 101390, 202780, 10108583, 20217166, 40434332, 50542915, 101085830, 202171660]

約数ペア:

[(1, 202171660), (2, 101085830), (4, 50542915), (5, 40434332), (10, 20217166), (20, 10108583), (997, 202780), (1994, 101390), (3988, 50695), (4985, 40556), (9970, 20278), (10139, 19940)]