20090288

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29201}}^1$

素因数の和:29252

約数の個数: 20

約数和(自身を含む): 39831528

約数和(自身を除く): 19741240

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29201, 58402, 116804, 233608, 467216, 1255643, 2511286, 5022572, 10045144, 20090288]

約数ペア:

[(1, 20090288), (2, 10045144), (4, 5022572), (8, 2511286), (16, 1255643), (43, 467216), (86, 233608), (172, 116804), (344, 58402), (688, 29201)]