20987098

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20297}}^1$

素因数の和:20357

約数の個数: 16

約数和(自身を含む): 35074944

約数和(自身を除く): 14087846

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20297, 40594, 223267, 446534, 953959, 1907918, 10493549, 20987098]

約数ペア:

[(1, 20987098), (2, 10493549), (11, 1907918), (22, 953959), (47, 446534), (94, 223267), (517, 40594), (1034, 20297)]