20880776

素因数分解:

$2^3\times 7^1\times {\mathrm{372871}}^1$

素因数の和:372884

約数の個数: 16

約数和(自身を含む): 44744640

約数和(自身を除く): 23863864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 372871, 745742, 1491484, 2610097, 2982968, 5220194, 10440388, 20880776]

約数ペア:

[(1, 20880776), (2, 10440388), (4, 5220194), (7, 2982968), (8, 2610097), (14, 1491484), (28, 745742), (56, 372871)]