20803312

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{1973}}^1$

素因数の和:2640

約数の個数: 20

約数和(自身を含む): 40388040

約数和(自身を除く): 19584728

約数列:

[1, 2, 4, 8, 16, 659, 1318, 1973, 2636, 3946, 5272, 7892, 10544, 15784, 31568, 1300207, 2600414, 5200828, 10401656, 20803312]

約数ペア:

[(1, 20803312), (2, 10401656), (4, 5200828), (8, 2600414), (16, 1300207), (659, 31568), (1318, 15784), (1973, 10544), (2636, 7892), (3946, 5272)]