20298195

素因数分解:

$3^4\times 5^1\times {\mathrm{50119}}^1$

素因数の和:50136

約数の個数: 20

約数和(自身を含む): 36387120

約数和(自身を除く): 16088925

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 50119, 150357, 250595, 451071, 751785, 1353213, 2255355, 4059639, 6766065, 20298195]

約数ペア:

[(1, 20298195), (3, 6766065), (5, 4059639), (9, 2255355), (15, 1353213), (27, 751785), (45, 451071), (81, 250595), (135, 150357), (405, 50119)]