13865420

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{911}}^1$

素因数の和:1681

約数の個数: 24

約数和(自身を含む): 29187648

約数和(自身を除く): 15322228

約数列:

[1, 2, 4, 5, 10, 20, 761, 911, 1522, 1822, 3044, 3644, 3805, 4555, 7610, 9110, 15220, 18220, 693271, 1386542, 2773084, 3466355, 6932710, 13865420]

約数ペア:

[(1, 13865420), (2, 6932710), (4, 3466355), (5, 2773084), (10, 1386542), (20, 693271), (761, 18220), (911, 15220), (1522, 9110), (1822, 7610), (3044, 4555), (3644, 3805)]