20286942

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260089}}^1$

素因数の和:260107

約数の個数: 16

約数和(自身を含む): 43695120

約数和(自身を除く): 23408178

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 260089, 520178, 780267, 1560534, 3381157, 6762314, 10143471, 20286942]

約数ペア:

[(1, 20286942), (2, 10143471), (3, 6762314), (6, 3381157), (13, 1560534), (26, 780267), (39, 520178), (78, 260089)]