20581624

素因数分解:

$2^3\times 7^1\times {\mathrm{467}}^1\times {\mathrm{787}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 44254080

約数和(自身を除く): 23672456

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 467, 787, 934, 1574, 1868, 3148, 3269, 3736, 5509, 6296, 6538, 11018, 13076, 22036, 26152, 44072, 367529, 735058, 1470116, 2572703, 2940232, 5145406, 10290812, 20581624]

約数ペア:

[(1, 20581624), (2, 10290812), (4, 5145406), (7, 2940232), (8, 2572703), (14, 1470116), (28, 735058), (56, 367529), (467, 44072), (787, 26152), (934, 22036), (1574, 13076), (1868, 11018), (3148, 6538), (3269, 6296), (3736, 5509)]