20655426

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1237}}^1$

素因数の和:1287

約数の個数: 48

約数和(自身を含む): 47420352

約数和(自身を除く): 26764926

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 121, 138, 242, 253, 363, 506, 726, 759, 1237, 1518, 2474, 2783, 3711, 5566, 7422, 8349, 13607, 16698, 27214, 28451, 40821, 56902, 81642, 85353, 149677, 170706, 299354, 312961, 449031, 625922, 898062, 938883, 1877766, 3442571, 6885142, 10327713, 20655426]

約数ペア:

[(1, 20655426), (2, 10327713), (3, 6885142), (6, 3442571), (11, 1877766), (22, 938883), (23, 898062), (33, 625922), (46, 449031), (66, 312961), (69, 299354), (121, 170706), (138, 149677), (242, 85353), (253, 81642), (363, 56902), (506, 40821), (726, 28451), (759, 27214), (1237, 16698), (1518, 13607), (2474, 8349), (2783, 7422), (3711, 5566)]