20261270

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28537}}^1$

素因数の和:28615

約数の個数: 16

約数和(自身を含む): 36985248

約数和(自身を除く): 16723978

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28537, 57074, 142685, 285370, 2026127, 4052254, 10130635, 20261270]

約数ペア:

[(1, 20261270), (2, 10130635), (5, 4052254), (10, 2026127), (71, 285370), (142, 142685), (355, 57074), (710, 28537)]