20802212

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1307}}^1$

素因数の和:1507

約数の個数: 24

約数和(自身を含む): 38235456

約数和(自身を除く): 17433244

約数列:

[1, 2, 4, 23, 46, 92, 173, 346, 692, 1307, 2614, 3979, 5228, 7958, 15916, 30061, 60122, 120244, 226111, 452222, 904444, 5200553, 10401106, 20802212]

約数ペア:

[(1, 20802212), (2, 10401106), (4, 5200553), (23, 904444), (46, 452222), (92, 226111), (173, 120244), (346, 60122), (692, 30061), (1307, 15916), (2614, 7958), (3979, 5228)]