20862564

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{281}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 51166080

約数和(自身を除く): 30303516

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 269, 276, 281, 538, 562, 807, 843, 1076, 1124, 1614, 1686, 3228, 3372, 6187, 6463, 12374, 12926, 18561, 19389, 24748, 25852, 37122, 38778, 74244, 75589, 77556, 151178, 226767, 302356, 453534, 907068, 1738547, 3477094, 5215641, 6954188, 10431282, 20862564]

約数ペア:

[(1, 20862564), (2, 10431282), (3, 6954188), (4, 5215641), (6, 3477094), (12, 1738547), (23, 907068), (46, 453534), (69, 302356), (92, 226767), (138, 151178), (269, 77556), (276, 75589), (281, 74244), (538, 38778), (562, 37122), (807, 25852), (843, 24748), (1076, 19389), (1124, 18561), (1614, 12926), (1686, 12374), (3228, 6463), (3372, 6187)]