20124254

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{839}}^1$

素因数の和:1087

約数の個数: 16

約数和(自身を含む): 30844800

約数和(自身を除く): 10720546

約数列:

[1, 2, 67, 134, 179, 358, 839, 1678, 11993, 23986, 56213, 112426, 150181, 300362, 10062127, 20124254]

約数ペア:

[(1, 20124254), (2, 10062127), (67, 300362), (134, 150181), (179, 112426), (358, 56213), (839, 23986), (1678, 11993)]