20958366

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1879}}^1$

素因数の和:1921

約数の個数: 48

約数和(自身を含む): 49541760

約数和(自身を除く): 28583394

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 169, 286, 338, 429, 507, 858, 1014, 1859, 1879, 3718, 3758, 5577, 5637, 11154, 11274, 20669, 24427, 41338, 48854, 62007, 73281, 124014, 146562, 268697, 317551, 537394, 635102, 806091, 952653, 1612182, 1905306, 3493061, 6986122, 10479183, 20958366]

約数ペア:

[(1, 20958366), (2, 10479183), (3, 6986122), (6, 3493061), (11, 1905306), (13, 1612182), (22, 952653), (26, 806091), (33, 635102), (39, 537394), (66, 317551), (78, 268697), (143, 146562), (169, 124014), (286, 73281), (338, 62007), (429, 48854), (507, 41338), (858, 24427), (1014, 20669), (1859, 11274), (1879, 11154), (3718, 5637), (3758, 5577)]