20506185

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{65099}}^1$

素因数の和:65117

約数の個数: 24

約数和(自身を含む): 40622400

約数和(自身を除く): 20116215

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 65099, 195297, 325495, 455693, 585891, 976485, 1367079, 2278465, 2929455, 4101237, 6835395, 20506185]

約数ペア:

[(1, 20506185), (3, 6835395), (5, 4101237), (7, 2929455), (9, 2278465), (15, 1367079), (21, 976485), (35, 585891), (45, 455693), (63, 325495), (105, 195297), (315, 65099)]