20163721168

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{134741}}^1$

素因数の和:134995

約数の個数: 40

約数和(自身を含む): 40099219200

約数和(自身を除く): 19935498032

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 199, 376, 398, 752, 796, 1592, 3184, 9353, 18706, 37412, 74824, 134741, 149648, 269482, 538964, 1077928, 2155856, 6332827, 12665654, 25331308, 26813459, 50662616, 53626918, 101325232, 107253836, 214507672, 429015344, 1260232573, 2520465146, 5040930292, 10081860584, 20163721168]

約数ペア:

[(1, 20163721168), (2, 10081860584), (4, 5040930292), (8, 2520465146), (16, 1260232573), (47, 429015344), (94, 214507672), (188, 107253836), (199, 101325232), (376, 53626918), (398, 50662616), (752, 26813459), (796, 25331308), (1592, 12665654), (3184, 6332827), (9353, 2155856), (18706, 1077928), (37412, 538964), (74824, 269482), (134741, 149648)]