20082013

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 24755328

約数和(自身を除く): 4673315

約数列:

[1, 7, 23, 49, 103, 161, 173, 721, 1127, 1211, 2369, 3979, 5047, 8477, 16583, 17819, 27853, 116081, 124733, 194971, 409837, 873131, 2868859, 20082013]

約数ペア:

[(1, 20082013), (7, 2868859), (23, 873131), (49, 409837), (103, 194971), (161, 124733), (173, 116081), (721, 27853), (1127, 17819), (1211, 16583), (2369, 8477), (3979, 5047)]