20836378

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1\times {\mathrm{311}}^1$

素因数の和:693

約数の個数: 16

約数和(自身を含む): 31711680

約数和(自身を除く): 10875302

約数列:

[1, 2, 139, 241, 278, 311, 482, 622, 33499, 43229, 66998, 74951, 86458, 149902, 10418189, 20836378]

約数ペア:

[(1, 20836378), (2, 10418189), (139, 149902), (241, 86458), (278, 74951), (311, 66998), (482, 43229), (622, 33499)]