20880944

素因数分解:

$2^4\times 7^1\times {\mathrm{186437}}^1$

素因数の和:186452

約数の個数: 20

約数和(自身を含む): 46236624

約数和(自身を除く): 25355680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 186437, 372874, 745748, 1305059, 1491496, 2610118, 2982992, 5220236, 10440472, 20880944]

約数ペア:

[(1, 20880944), (2, 10440472), (4, 5220236), (7, 2982992), (8, 2610118), (14, 1491496), (16, 1305059), (28, 745748), (56, 372874), (112, 186437)]