20649252

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{132367}}^1$

素因数の和:132387

約数の個数: 24

約数和(自身を含む): 51888256

約数和(自身を除く): 31239004

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 132367, 264734, 397101, 529468, 794202, 1588404, 1720771, 3441542, 5162313, 6883084, 10324626, 20649252]

約数ペア:

[(1, 20649252), (2, 10324626), (3, 6883084), (4, 5162313), (6, 3441542), (12, 1720771), (13, 1588404), (26, 794202), (39, 529468), (52, 397101), (78, 264734), (156, 132367)]