20491022

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{1451}}^1$

素因数の和:1783

約数の個数: 16

約数和(自身を含む): 32199552

約数和(自身を除く): 11708530

約数列:

[1, 2, 23, 46, 307, 614, 1451, 2902, 7061, 14122, 33373, 66746, 445457, 890914, 10245511, 20491022]

約数ペア:

[(1, 20491022), (2, 10245511), (23, 890914), (46, 445457), (307, 66746), (614, 33373), (1451, 14122), (2902, 7061)]