20857535340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{178361}}^1$

素因数の和:180322

約数の個数: 48

約数和(自身を含む): 58431391200

約数和(自身を除く): 37573855860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1949, 3898, 5847, 7796, 9745, 11694, 19490, 23388, 29235, 38980, 58470, 116940, 178361, 356722, 535083, 713444, 891805, 1070166, 1783610, 2140332, 2675415, 3567220, 5350830, 10701660, 347625589, 695251178, 1042876767, 1390502356, 1738127945, 2085753534, 3476255890, 4171507068, 5214383835, 6952511780, 10428767670, 20857535340]

約数ペア:

[(1, 20857535340), (2, 10428767670), (3, 6952511780), (4, 5214383835), (5, 4171507068), (6, 3476255890), (10, 2085753534), (12, 1738127945), (15, 1390502356), (20, 1042876767), (30, 695251178), (60, 347625589), (1949, 10701660), (3898, 5350830), (5847, 3567220), (7796, 2675415), (9745, 2140332), (11694, 1783610), (19490, 1070166), (23388, 891805), (29235, 713444), (38980, 535083), (58470, 356722), (116940, 178361)]