20090451213

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1103}}^1\times {\mathrm{2207}}^1$

素因数の和:3454

約数の個数: 48

約数和(自身を含む): 33463812096

約数和(自身を除く): 13373360883

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1103, 1179, 2207, 2751, 3309, 6621, 7721, 8253, 9927, 15449, 19863, 23163, 46347, 69489, 139041, 144493, 289117, 433479, 867351, 1011451, 1300437, 2023819, 2434321, 2602053, 3034353, 6071457, 7302963, 9103059, 17040247, 18214371, 21908889, 51120741, 153362223, 318896051, 956688153, 2232272357, 2870064459, 6696817071, 20090451213]

約数ペア:

[(1, 20090451213), (3, 6696817071), (7, 2870064459), (9, 2232272357), (21, 956688153), (63, 318896051), (131, 153362223), (393, 51120741), (917, 21908889), (1103, 18214371), (1179, 17040247), (2207, 9103059), (2751, 7302963), (3309, 6071457), (6621, 3034353), (7721, 2602053), (8253, 2434321), (9927, 2023819), (15449, 1300437), (19863, 1011451), (23163, 867351), (46347, 433479), (69489, 289117), (139041, 144493)]