20584624

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31379}}^1$

素因数の和:31428

約数の個数: 20

約数和(自身を含む): 40856760

約数和(自身を除く): 20272136

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31379, 62758, 125516, 251032, 502064, 1286539, 2573078, 5146156, 10292312, 20584624]

約数ペア:

[(1, 20584624), (2, 10292312), (4, 5146156), (8, 2573078), (16, 1286539), (41, 502064), (82, 251032), (164, 125516), (328, 62758), (656, 31379)]