20851124

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{443}}^1$

素因数の和:536

約数の個数: 36

約数和(自身を含む): 42840672

約数和(自身を除く): 21989548

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 443, 574, 886, 1148, 1681, 1772, 3101, 3362, 6202, 6724, 11767, 12404, 18163, 23534, 36326, 47068, 72652, 127141, 254282, 508564, 744683, 1489366, 2978732, 5212781, 10425562, 20851124]

約数ペア:

[(1, 20851124), (2, 10425562), (4, 5212781), (7, 2978732), (14, 1489366), (28, 744683), (41, 508564), (82, 254282), (164, 127141), (287, 72652), (443, 47068), (574, 36326), (886, 23534), (1148, 18163), (1681, 12404), (1772, 11767), (3101, 6724), (3362, 6202)]