20826756

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{19949}}^1$

素因数の和:19988

約数の個数: 36

約数和(自身を含む): 54463500

約数和(自身を除く): 33636744

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 19949, 39898, 59847, 79796, 119694, 179541, 239388, 359082, 578521, 718164, 1157042, 1735563, 2314084, 3471126, 5206689, 6942252, 10413378, 20826756]

約数ペア:

[(1, 20826756), (2, 10413378), (3, 6942252), (4, 5206689), (6, 3471126), (9, 2314084), (12, 1735563), (18, 1157042), (29, 718164), (36, 578521), (58, 359082), (87, 239388), (116, 179541), (174, 119694), (261, 79796), (348, 59847), (522, 39898), (1044, 19949)]