20066872

素因数分解:

$2^3\times 7^3\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 44928000

約数和(自身を除く): 24861128

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 103, 142, 196, 206, 284, 343, 392, 412, 497, 568, 686, 721, 824, 994, 1372, 1442, 1988, 2744, 2884, 3479, 3976, 5047, 5768, 6958, 7313, 10094, 13916, 14626, 20188, 24353, 27832, 29252, 35329, 40376, 48706, 51191, 58504, 70658, 97412, 102382, 141316, 194824, 204764, 282632, 358337, 409528, 716674, 1433348, 2508359, 2866696, 5016718, 10033436, 20066872]

約数ペア:

[(1, 20066872), (2, 10033436), (4, 5016718), (7, 2866696), (8, 2508359), (14, 1433348), (28, 716674), (49, 409528), (56, 358337), (71, 282632), (98, 204764), (103, 194824), (142, 141316), (196, 102382), (206, 97412), (284, 70658), (343, 58504), (392, 51191), (412, 48706), (497, 40376), (568, 35329), (686, 29252), (721, 27832), (824, 24353), (994, 20188), (1372, 14626), (1442, 13916), (1988, 10094), (2744, 7313), (2884, 6958), (3479, 5768), (3976, 5047)]