20804926

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9623}}^1$

素因数の和:9695

約数の個数: 16

約数和(自身を含む): 33260544

約数和(自身を除く): 12455618

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 9623, 19246, 221329, 442658, 452281, 904562, 10402463, 20804926]

約数ペア:

[(1, 20804926), (2, 10402463), (23, 904562), (46, 452281), (47, 442658), (94, 221329), (1081, 19246), (2162, 9623)]