20214429

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{449}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 27720000

約数和(自身を除く): 7505571

約数列:

[1, 3, 43, 129, 349, 449, 1047, 1347, 15007, 19307, 45021, 57921, 156701, 470103, 6738143, 20214429]

約数ペア:

[(1, 20214429), (3, 6738143), (43, 470103), (129, 156701), (349, 57921), (449, 45021), (1047, 19307), (1347, 15007)]