20782764

素因数分解:

$2^2\times 3^3\times {\mathrm{199}}^1\times {\mathrm{967}}^1$

素因数の和:1179

約数の個数: 48

約数和(自身を含む): 54208000

約数和(自身を除く): 33425236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 199, 398, 597, 796, 967, 1194, 1791, 1934, 2388, 2901, 3582, 3868, 5373, 5802, 7164, 8703, 10746, 11604, 17406, 21492, 26109, 34812, 52218, 104436, 192433, 384866, 577299, 769732, 1154598, 1731897, 2309196, 3463794, 5195691, 6927588, 10391382, 20782764]

約数ペア:

[(1, 20782764), (2, 10391382), (3, 6927588), (4, 5195691), (6, 3463794), (9, 2309196), (12, 1731897), (18, 1154598), (27, 769732), (36, 577299), (54, 384866), (108, 192433), (199, 104436), (398, 52218), (597, 34812), (796, 26109), (967, 21492), (1194, 17406), (1791, 11604), (1934, 10746), (2388, 8703), (2901, 7164), (3582, 5802), (3868, 5373)]