20938041

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{20959}}^1$

素因数の和:21005

約数の個数: 16

約数和(自身を含む): 31859200

約数和(自身を除く): 10921159

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 20959, 62877, 188631, 565893, 775483, 2326449, 6979347, 20938041]

約数ペア:

[(1, 20938041), (3, 6979347), (9, 2326449), (27, 775483), (37, 565893), (111, 188631), (333, 62877), (999, 20959)]