20165656

素因数分解:

$2^3\times 7^3\times {\mathrm{7349}}^1$

素因数の和:7376

約数の個数: 32

約数和(自身を含む): 44100000

約数和(自身を除く): 23934344

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7349, 14698, 29396, 51443, 58792, 102886, 205772, 360101, 411544, 720202, 1440404, 2520707, 2880808, 5041414, 10082828, 20165656]

約数ペア:

[(1, 20165656), (2, 10082828), (4, 5041414), (7, 2880808), (8, 2520707), (14, 1440404), (28, 720202), (49, 411544), (56, 360101), (98, 205772), (196, 102886), (343, 58792), (392, 51443), (686, 29396), (1372, 14698), (2744, 7349)]