20498612

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1231}}^1$

素因数の和:1439

約数の個数: 24

約数和(自身を含む): 37669632

約数和(自身を除く): 17171020

約数列:

[1, 2, 4, 23, 46, 92, 181, 362, 724, 1231, 2462, 4163, 4924, 8326, 16652, 28313, 56626, 113252, 222811, 445622, 891244, 5124653, 10249306, 20498612]

約数ペア:

[(1, 20498612), (2, 10249306), (4, 5124653), (23, 891244), (46, 445622), (92, 222811), (181, 113252), (362, 56626), (724, 28313), (1231, 16652), (2462, 8326), (4163, 4924)]