12911020

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2819}}^1$

素因数の和:3057

約数の個数: 24

約数和(自身を含む): 27241200

約数和(自身を除く): 14330180

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 2819, 4580, 5638, 11276, 14095, 28190, 56380, 645551, 1291102, 2582204, 3227755, 6455510, 12911020]

約数ペア:

[(1, 12911020), (2, 6455510), (4, 3227755), (5, 2582204), (10, 1291102), (20, 645551), (229, 56380), (458, 28190), (916, 14095), (1145, 11276), (2290, 5638), (2819, 4580)]