201867940

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{18121}}^1$

素因数の和:18687

約数の個数: 24

約数和(自身を含む): 424707192

約数和(自身を除く): 222839252

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 11140, 18121, 36242, 72484, 90605, 181210, 362420, 10093397, 20186794, 40373588, 50466985, 100933970, 201867940]

約数ペア:

[(1, 201867940), (2, 100933970), (4, 50466985), (5, 40373588), (10, 20186794), (20, 10093397), (557, 362420), (1114, 181210), (2228, 90605), (2785, 72484), (5570, 36242), (11140, 18121)]