20489865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{124181}}^1$

素因数の和:124200

約数の個数: 16

約数和(自身を含む): 35764416

約数和(自身を除く): 15274551

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 124181, 372543, 620905, 1365991, 1862715, 4097973, 6829955, 20489865]

約数ペア:

[(1, 20489865), (3, 6829955), (5, 4097973), (11, 1862715), (15, 1365991), (33, 620905), (55, 372543), (165, 124181)]