20893246

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 36039168

約数和(自身を除く): 15145922

約数列:

[1, 2, 11, 22, 23, 46, 157, 253, 263, 314, 506, 526, 1727, 2893, 3454, 3611, 5786, 6049, 7222, 12098, 39721, 41291, 66539, 79442, 82582, 133078, 454201, 908402, 949693, 1899386, 10446623, 20893246]

約数ペア:

[(1, 20893246), (2, 10446623), (11, 1899386), (22, 949693), (23, 908402), (46, 454201), (157, 133078), (253, 82582), (263, 79442), (314, 66539), (506, 41291), (526, 39721), (1727, 12098), (2893, 7222), (3454, 6049), (3611, 5786)]