20539690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89303}}^1$

素因数の和:89333

約数の個数: 16

約数和(自身を含む): 38579328

約数和(自身を除く): 18039638

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 89303, 178606, 446515, 893030, 2053969, 4107938, 10269845, 20539690]

約数ペア:

[(1, 20539690), (2, 10269845), (5, 4107938), (10, 2053969), (23, 893030), (46, 446515), (115, 178606), (230, 89303)]