20409045

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{28949}}^1$

素因数の和:29004

約数の個数: 16

約数和(自身を含む): 33350400

約数和(自身を除く): 12941355

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 28949, 86847, 144745, 434235, 1360603, 4081809, 6803015, 20409045]

約数ペア:

[(1, 20409045), (3, 6803015), (5, 4081809), (15, 1360603), (47, 434235), (141, 144745), (235, 86847), (705, 28949)]