20889808

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27779}}^1$

素因数の和:27834

約数の個数: 20

約数和(自身を含む): 41336640

約数和(自身を除く): 20446832

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27779, 55558, 111116, 222232, 444464, 1305613, 2611226, 5222452, 10444904, 20889808]

約数ペア:

[(1, 20889808), (2, 10444904), (4, 5222452), (8, 2611226), (16, 1305613), (47, 444464), (94, 222232), (188, 111116), (376, 55558), (752, 27779)]