20728796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20483}}^1$

素因数の和:20521

約数の個数: 24

約数和(自身を含む): 41295744

約数和(自身を除く): 20566948

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 20483, 40966, 81932, 225313, 450626, 471109, 901252, 942218, 1884436, 5182199, 10364398, 20728796]

約数ペア:

[(1, 20728796), (2, 10364398), (4, 5182199), (11, 1884436), (22, 942218), (23, 901252), (44, 471109), (46, 450626), (92, 225313), (253, 81932), (506, 40966), (1012, 20483)]