20678748

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{74923}}^1$

素因数の和:74953

約数の個数: 24

約数和(自身を含む): 50348928

約数和(自身を除く): 29670180

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 74923, 149846, 224769, 299692, 449538, 899076, 1723229, 3446458, 5169687, 6892916, 10339374, 20678748]

約数ペア:

[(1, 20678748), (2, 10339374), (3, 6892916), (4, 5169687), (6, 3446458), (12, 1723229), (23, 899076), (46, 449538), (69, 299692), (92, 224769), (138, 149846), (276, 74923)]