20766774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4621}}^1$

素因数の和:4740

約数の個数: 32

約数和(自身を含む): 47920896

約数和(自身を除く): 27154122

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 321, 642, 749, 1498, 2247, 4494, 4621, 9242, 13863, 27726, 32347, 64694, 97041, 194082, 494447, 988894, 1483341, 2966682, 3461129, 6922258, 10383387, 20766774]

約数ペア:

[(1, 20766774), (2, 10383387), (3, 6922258), (6, 3461129), (7, 2966682), (14, 1483341), (21, 988894), (42, 494447), (107, 194082), (214, 97041), (321, 64694), (642, 32347), (749, 27726), (1498, 13863), (2247, 9242), (4494, 4621)]