20995856

素因数分解:

$2^4\times 7^1\times {\mathrm{187463}}^1$

素因数の和:187478

約数の個数: 20

約数和(自身を含む): 46491072

約数和(自身を除く): 25495216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 187463, 374926, 749852, 1312241, 1499704, 2624482, 2999408, 5248964, 10497928, 20995856]

約数ペア:

[(1, 20995856), (2, 10497928), (4, 5248964), (7, 2999408), (8, 2624482), (14, 1499704), (16, 1312241), (28, 749852), (56, 374926), (112, 187463)]