20554144

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{49409}}^1$

素因数の和:49432

約数の個数: 24

約数和(自身を含む): 43579620

約数和(自身を除く): 23025476

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 49409, 98818, 197636, 395272, 642317, 790544, 1284634, 1581088, 2569268, 5138536, 10277072, 20554144]

約数ペア:

[(1, 20554144), (2, 10277072), (4, 5138536), (8, 2569268), (13, 1581088), (16, 1284634), (26, 790544), (32, 642317), (52, 395272), (104, 197636), (208, 98818), (416, 49409)]