20266659

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{683}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 34583040

約数和(自身を除く): 14316381

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 683, 1099, 1413, 2049, 3297, 4239, 4781, 6147, 9891, 14343, 18441, 29673, 43029, 107231, 129087, 321693, 750617, 965079, 2251851, 2895237, 6755553, 20266659]

約数ペア:

[(1, 20266659), (3, 6755553), (7, 2895237), (9, 2251851), (21, 965079), (27, 750617), (63, 321693), (157, 129087), (189, 107231), (471, 43029), (683, 29673), (1099, 18441), (1413, 14343), (2049, 9891), (3297, 6147), (4239, 4781)]