20394348

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{547}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 51555840

約数和(自身を除く): 31161492

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 239, 478, 547, 717, 956, 1094, 1434, 1641, 2188, 2868, 3107, 3282, 6214, 6564, 7111, 9321, 12428, 14222, 18642, 21333, 28444, 37284, 42666, 85332, 130733, 261466, 392199, 522932, 784398, 1568796, 1699529, 3399058, 5098587, 6798116, 10197174, 20394348]

約数ペア:

[(1, 20394348), (2, 10197174), (3, 6798116), (4, 5098587), (6, 3399058), (12, 1699529), (13, 1568796), (26, 784398), (39, 522932), (52, 392199), (78, 261466), (156, 130733), (239, 85332), (478, 42666), (547, 37284), (717, 28444), (956, 21333), (1094, 18642), (1434, 14222), (1641, 12428), (2188, 9321), (2868, 7111), (3107, 6564), (3282, 6214)]