20412243

素因数分解:

$3^5\times {\mathrm{167}}^1\times {\mathrm{503}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 30820608

約数和(自身を除く): 10408365

約数列:

[1, 3, 9, 27, 81, 167, 243, 501, 503, 1503, 1509, 4509, 4527, 13527, 13581, 40581, 40743, 84001, 122229, 252003, 756009, 2268027, 6804081, 20412243]

約数ペア:

[(1, 20412243), (3, 6804081), (9, 2268027), (27, 756009), (81, 252003), (167, 122229), (243, 84001), (501, 40743), (503, 40581), (1503, 13581), (1509, 13527), (4509, 4527)]