20322978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260551}}^1$

素因数の和:260569

約数の個数: 16

約数和(自身を含む): 43772736

約数和(自身を除く): 23449758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 260551, 521102, 781653, 1563306, 3387163, 6774326, 10161489, 20322978]

約数ペア:

[(1, 20322978), (2, 10161489), (3, 6774326), (6, 3387163), (13, 1563306), (26, 781653), (39, 521102), (78, 260551)]