20348956

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{977}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 36804096

約数和(自身を除く): 16455140

約数列:

[1, 2, 4, 41, 82, 127, 164, 254, 508, 977, 1954, 3908, 5207, 10414, 20828, 40057, 80114, 124079, 160228, 248158, 496316, 5087239, 10174478, 20348956]

約数ペア:

[(1, 20348956), (2, 10174478), (4, 5087239), (41, 496316), (82, 248158), (127, 160228), (164, 124079), (254, 80114), (508, 40057), (977, 20828), (1954, 10414), (3908, 5207)]