20008760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11633}}^1$

素因数の和:11687

約数の個数: 32

約数和(自身を含む): 46070640

約数和(自身を除く): 26061880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 11633, 23266, 46532, 58165, 93064, 116330, 232660, 465320, 500219, 1000438, 2000876, 2501095, 4001752, 5002190, 10004380, 20008760]

約数ペア:

[(1, 20008760), (2, 10004380), (4, 5002190), (5, 4001752), (8, 2501095), (10, 2000876), (20, 1000438), (40, 500219), (43, 465320), (86, 232660), (172, 116330), (215, 93064), (344, 58165), (430, 46532), (860, 23266), (1720, 11633)]