20682741

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{479}}^1$

素因数の和:908

約数の個数: 16

約数和(自身を含む): 28454400

約数和(自身を除く): 7771659

約数列:

[1, 3, 37, 111, 389, 479, 1167, 1437, 14393, 17723, 43179, 53169, 186331, 558993, 6894247, 20682741]

約数ペア:

[(1, 20682741), (3, 6894247), (37, 558993), (111, 186331), (389, 53169), (479, 43179), (1167, 17723), (1437, 14393)]