20704784

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{56263}}^1$

素因数の和:56294

約数の個数: 20

約数和(自身を含む): 41860416

約数和(自身を除く): 21155632

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 56263, 112526, 225052, 450104, 900208, 1294049, 2588098, 5176196, 10352392, 20704784]

約数ペア:

[(1, 20704784), (2, 10352392), (4, 5176196), (8, 2588098), (16, 1294049), (23, 900208), (46, 450104), (92, 225052), (184, 112526), (368, 56263)]