20016272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65843}}^1$

素因数の和:65870

約数の個数: 20

約数和(自身を含む): 40823280

約数和(自身を除く): 20807008

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65843, 131686, 263372, 526744, 1053488, 1251017, 2502034, 5004068, 10008136, 20016272]

約数ペア:

[(1, 20016272), (2, 10008136), (4, 5004068), (8, 2502034), (16, 1251017), (19, 1053488), (38, 526744), (76, 263372), (152, 131686), (304, 65843)]