20690436

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{132631}}^1$

素因数の和:132651

約数の個数: 24

約数和(自身を含む): 51991744

約数和(自身を除く): 31301308

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 132631, 265262, 397893, 530524, 795786, 1591572, 1724203, 3448406, 5172609, 6896812, 10345218, 20690436]

約数ペア:

[(1, 20690436), (2, 10345218), (3, 6896812), (4, 5172609), (6, 3448406), (12, 1724203), (13, 1591572), (26, 795786), (39, 530524), (52, 397893), (78, 265262), (156, 132631)]