20863070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{90709}}^1$

素因数の和:90739

約数の個数: 16

約数和(自身を含む): 39186720

約数和(自身を除く): 18323650

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 90709, 181418, 453545, 907090, 2086307, 4172614, 10431535, 20863070]

約数ペア:

[(1, 20863070), (2, 10431535), (5, 4172614), (10, 2086307), (23, 907090), (46, 453545), (115, 181418), (230, 90709)]