20694805

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1061}}^1$

素因数の和:1196

約数の個数: 16

約数和(自身を含む): 25691904

約数和(自身を除く): 4997099

約数列:

[1, 5, 47, 83, 235, 415, 1061, 3901, 5305, 19505, 49867, 88063, 249335, 440315, 4138961, 20694805]

約数ペア:

[(1, 20694805), (5, 4138961), (47, 440315), (83, 249335), (235, 88063), (415, 49867), (1061, 19505), (3901, 5305)]