20369388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3529}}^1$

素因数の和:3586

約数の個数: 48

約数和(自身を含む): 52582880

約数和(自身を除く): 32213492

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3529, 5772, 7058, 10587, 14116, 21174, 42348, 45877, 91754, 130573, 137631, 183508, 261146, 275262, 391719, 522292, 550524, 783438, 1566876, 1697449, 3394898, 5092347, 6789796, 10184694, 20369388]

約数ペア:

[(1, 20369388), (2, 10184694), (3, 6789796), (4, 5092347), (6, 3394898), (12, 1697449), (13, 1566876), (26, 783438), (37, 550524), (39, 522292), (52, 391719), (74, 275262), (78, 261146), (111, 183508), (148, 137631), (156, 130573), (222, 91754), (444, 45877), (481, 42348), (962, 21174), (1443, 14116), (1924, 10587), (2886, 7058), (3529, 5772)]