20213462721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1847}}^1\times {\mathrm{191999}}^1$

素因数の和:193868

約数の個数: 16

約数和(自身を含む): 28385280000

約数和(自身を除く): 8171817279

約数列:

[1, 3, 19, 57, 1847, 5541, 35093, 105279, 191999, 575997, 3647981, 10943943, 354622153, 1063866459, 6737820907, 20213462721]

約数ペア:

[(1, 20213462721), (3, 6737820907), (19, 1063866459), (57, 354622153), (1847, 10943943), (5541, 3647981), (35093, 575997), (105279, 191999)]