20751164

素因数分解:

$2^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{2383}}^1$

素因数の和:2705

約数の個数: 24

約数和(自身を含む): 41653248

約数和(自身を除く): 20902084

約数列:

[1, 2, 4, 7, 14, 28, 311, 622, 1244, 2177, 2383, 4354, 4766, 8708, 9532, 16681, 33362, 66724, 741113, 1482226, 2964452, 5187791, 10375582, 20751164]

約数ペア:

[(1, 20751164), (2, 10375582), (4, 5187791), (7, 2964452), (14, 1482226), (28, 741113), (311, 66724), (622, 33362), (1244, 16681), (2177, 9532), (2383, 8708), (4354, 4766)]