20859412

素因数分解:

$2^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2749}}^1$

素因数の和:3031

約数の個数: 24

約数和(自身を含む): 41888000

約数和(自身を除く): 21028588

約数列:

[1, 2, 4, 7, 14, 28, 271, 542, 1084, 1897, 2749, 3794, 5498, 7588, 10996, 19243, 38486, 76972, 744979, 1489958, 2979916, 5214853, 10429706, 20859412]

約数ペア:

[(1, 20859412), (2, 10429706), (4, 5214853), (7, 2979916), (14, 1489958), (28, 744979), (271, 76972), (542, 38486), (1084, 19243), (1897, 10996), (2749, 7588), (3794, 5498)]