20967969

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1229}}^1$

素因数の和:1301

約数の個数: 24

約数和(自身を含む): 31409280

約数和(自身を除く): 10441311

約数列:

[1, 3, 11, 33, 47, 121, 141, 363, 517, 1229, 1551, 3687, 5687, 13519, 17061, 40557, 57763, 148709, 173289, 446127, 635393, 1906179, 6989323, 20967969]

約数ペア:

[(1, 20967969), (3, 6989323), (11, 1906179), (33, 635393), (47, 446127), (121, 173289), (141, 148709), (363, 57763), (517, 40557), (1229, 17061), (1551, 13519), (3687, 5687)]