20766884

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4259}}^1$

素因数の和:4339

約数の個数: 24

約数和(自身を含む): 38646720

約数和(自身を除く): 17879836

約数列:

[1, 2, 4, 23, 46, 53, 92, 106, 212, 1219, 2438, 4259, 4876, 8518, 17036, 97957, 195914, 225727, 391828, 451454, 902908, 5191721, 10383442, 20766884]

約数ペア:

[(1, 20766884), (2, 10383442), (4, 5191721), (23, 902908), (46, 451454), (53, 391828), (92, 225727), (106, 195914), (212, 97957), (1219, 17036), (2438, 8518), (4259, 4876)]