20996954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{2267}}^1$

素因数の和:2701

約数の個数: 16

約数和(自身を含む): 34455456

約数和(自身を除く): 13458502

約数列:

[1, 2, 11, 22, 421, 842, 2267, 4534, 4631, 9262, 24937, 49874, 954407, 1908814, 10498477, 20996954]

約数ペア:

[(1, 20996954), (2, 10498477), (11, 1908814), (22, 954407), (421, 49874), (842, 24937), (2267, 9262), (4534, 4631)]