20786660

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6883}}^1$

素因数の和:7043

約数の個数: 24

約数和(自身を含む): 43947456

約数和(自身を除く): 23160796

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 6883, 13766, 27532, 34415, 68830, 137660, 1039333, 2078666, 4157332, 5196665, 10393330, 20786660]

約数ペア:

[(1, 20786660), (2, 10393330), (4, 5196665), (5, 4157332), (10, 2078666), (20, 1039333), (151, 137660), (302, 68830), (604, 34415), (755, 27532), (1510, 13766), (3020, 6883)]