16333580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19919}}^1$

素因数の和:19969

約数の個数: 24

約数和(自身を含む): 35138880

約数和(自身を除く): 18805300

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 19919, 39838, 79676, 99595, 199190, 398380, 816679, 1633358, 3266716, 4083395, 8166790, 16333580]

約数ペア:

[(1, 16333580), (2, 8166790), (4, 4083395), (5, 3266716), (10, 1633358), (20, 816679), (41, 398380), (82, 199190), (164, 99595), (205, 79676), (410, 39838), (820, 19919)]