20896065

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10799}}^1$

素因数の和:10853

約数の個数: 24

約数和(自身を含む): 37065600

約数和(自身を除く): 16169535

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 10799, 32397, 53995, 97191, 161985, 464357, 485955, 1393071, 2321785, 4179213, 6965355, 20896065]

約数ペア:

[(1, 20896065), (3, 6965355), (5, 4179213), (9, 2321785), (15, 1393071), (43, 485955), (45, 464357), (129, 161985), (215, 97191), (387, 53995), (645, 32397), (1935, 10799)]