20184659817

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{17209}}^1$

素因数の和:17406

約数の個数: 48

約数和(自身を含む): 32018860800

約数和(自身を除く): 11834200983

約数列:

[1, 3, 7, 21, 49, 79, 101, 147, 237, 303, 553, 707, 1659, 2121, 3871, 4949, 7979, 11613, 14847, 17209, 23937, 51627, 55853, 120463, 167559, 361389, 390971, 843241, 1172913, 1359511, 1738109, 2529723, 4078533, 5214327, 9516577, 12166763, 28549731, 36500289, 66616039, 85167341, 137310611, 199848117, 255502023, 411931833, 961174277, 2883522831, 6728219939, 20184659817]

約数ペア:

[(1, 20184659817), (3, 6728219939), (7, 2883522831), (21, 961174277), (49, 411931833), (79, 255502023), (101, 199848117), (147, 137310611), (237, 85167341), (303, 66616039), (553, 36500289), (707, 28549731), (1659, 12166763), (2121, 9516577), (3871, 5214327), (4949, 4078533), (7979, 2529723), (11613, 1738109), (14847, 1359511), (17209, 1172913), (23937, 843241), (51627, 390971), (55853, 361389), (120463, 167559)]