20415390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{14479}}^1$

素因数の和:14536

約数の個数: 32

約数和(自身を含む): 50042880

約数和(自身を除く): 29627490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 14479, 28958, 43437, 72395, 86874, 144790, 217185, 434370, 680513, 1361026, 2041539, 3402565, 4083078, 6805130, 10207695, 20415390]

約数ペア:

[(1, 20415390), (2, 10207695), (3, 6805130), (5, 4083078), (6, 3402565), (10, 2041539), (15, 1361026), (30, 680513), (47, 434370), (94, 217185), (141, 144790), (235, 86874), (282, 72395), (470, 43437), (705, 28958), (1410, 14479)]