20504397

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{983}}^1$

素因数の和:1412

約数の個数: 16

約数和(自身を含む): 29047680

約数和(自身を除く): 8543283

約数列:

[1, 3, 17, 51, 409, 983, 1227, 2949, 6953, 16711, 20859, 50133, 402047, 1206141, 6834799, 20504397]

約数ペア:

[(1, 20504397), (3, 6834799), (17, 1206141), (51, 402047), (409, 50133), (983, 20859), (1227, 16711), (2949, 6953)]