20201912

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{109793}}^1$

素因数の和:109822

約数の個数: 16

約数和(自身を含む): 39525840

約数和(自身を除く): 19323928

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 109793, 219586, 439172, 878344, 2525239, 5050478, 10100956, 20201912]

約数ペア:

[(1, 20201912), (2, 10100956), (4, 5050478), (8, 2525239), (23, 878344), (46, 439172), (92, 219586), (184, 109793)]