20805156

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{25127}}^1$

素因数の和:25160

約数の個数: 36

約数和(自身を含む): 54879552

約数和(自身を除く): 34074396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 25127, 50254, 75381, 100508, 150762, 226143, 301524, 452286, 577921, 904572, 1155842, 1733763, 2311684, 3467526, 5201289, 6935052, 10402578, 20805156]

約数ペア:

[(1, 20805156), (2, 10402578), (3, 6935052), (4, 5201289), (6, 3467526), (9, 2311684), (12, 1733763), (18, 1155842), (23, 904572), (36, 577921), (46, 452286), (69, 301524), (92, 226143), (138, 150762), (207, 100508), (276, 75381), (414, 50254), (828, 25127)]