16427020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 36691200

約数和(自身を除く): 20264180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 311, 380, 556, 622, 695, 1244, 1390, 1555, 2641, 2780, 3110, 5282, 5909, 6220, 10564, 11818, 13205, 23636, 26410, 29545, 43229, 52820, 59090, 86458, 118180, 172916, 216145, 432290, 821351, 864580, 1642702, 3285404, 4106755, 8213510, 16427020]

約数ペア:

[(1, 16427020), (2, 8213510), (4, 4106755), (5, 3285404), (10, 1642702), (19, 864580), (20, 821351), (38, 432290), (76, 216145), (95, 172916), (139, 118180), (190, 86458), (278, 59090), (311, 52820), (380, 43229), (556, 29545), (622, 26410), (695, 23636), (1244, 13205), (1390, 11818), (1555, 10564), (2641, 6220), (2780, 5909), (3110, 5282)]