20953168

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{12239}}^1$

素因数の和:12354

約数の個数: 20

約数和(自身を含む): 40979520

約数和(自身を除く): 20026352

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 12239, 24478, 48956, 97912, 195824, 1309573, 2619146, 5238292, 10476584, 20953168]

約数ペア:

[(1, 20953168), (2, 10476584), (4, 5238292), (8, 2619146), (16, 1309573), (107, 195824), (214, 97912), (428, 48956), (856, 24478), (1712, 12239)]