20702885

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19081}}^1$

素因数の和:19124

約数の個数: 16

約数和(自身を含む): 29309952

約数和(自身を除く): 8607067

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 19081, 95405, 133567, 591511, 667835, 2957555, 4140577, 20702885]

約数ペア:

[(1, 20702885), (5, 4140577), (7, 2957555), (31, 667835), (35, 591511), (155, 133567), (217, 95405), (1085, 19081)]