20875347

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{5189}}^1$

素因数の和:5347

約数の個数: 16

約数和(自身を含む): 31140000

約数和(自身を除く): 10264653

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 5189, 15567, 46701, 140103, 773161, 2319483, 6958449, 20875347]

約数ペア:

[(1, 20875347), (3, 6958449), (9, 2319483), (27, 773161), (149, 140103), (447, 46701), (1341, 15567), (4023, 5189)]