20617794

素因数分解:

$2^1\times 3^3\times {\mathrm{173}}^1\times {\mathrm{2207}}^1$

素因数の和:2391

約数の個数: 32

約数和(自身を含む): 46103040

約数和(自身を除く): 25485246

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 173, 346, 519, 1038, 1557, 2207, 3114, 4414, 4671, 6621, 9342, 13242, 19863, 39726, 59589, 119178, 381811, 763622, 1145433, 2290866, 3436299, 6872598, 10308897, 20617794]

約数ペア:

[(1, 20617794), (2, 10308897), (3, 6872598), (6, 3436299), (9, 2290866), (18, 1145433), (27, 763622), (54, 381811), (173, 119178), (346, 59589), (519, 39726), (1038, 19863), (1557, 13242), (2207, 9342), (3114, 6621), (4414, 4671)]