20145469971

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{691}}^1$

素因数の和:1048

約数の個数: 64

約数和(自身を含む): 30420541440

約数和(自身を除く): 10275071469

約数列:

[1, 3, 11, 33, 53, 79, 159, 211, 237, 583, 633, 691, 869, 1749, 2073, 2321, 2607, 4187, 6963, 7601, 11183, 12561, 16669, 22803, 33549, 36623, 46057, 50007, 54589, 109869, 123013, 138171, 145801, 163767, 183359, 369039, 402853, 437403, 550077, 600479, 883457, 1208559, 1603811, 1801437, 2650371, 2893217, 4811433, 7727453, 8679651, 9718027, 11518279, 23182359, 29154081, 31825387, 34554837, 85001983, 95476161, 126701069, 255005949, 380103207, 610468787, 1831406361, 6715156657, 20145469971]

約数ペア:

[(1, 20145469971), (3, 6715156657), (11, 1831406361), (33, 610468787), (53, 380103207), (79, 255005949), (159, 126701069), (211, 95476161), (237, 85001983), (583, 34554837), (633, 31825387), (691, 29154081), (869, 23182359), (1749, 11518279), (2073, 9718027), (2321, 8679651), (2607, 7727453), (4187, 4811433), (6963, 2893217), (7601, 2650371), (11183, 1801437), (12561, 1603811), (16669, 1208559), (22803, 883457), (33549, 600479), (36623, 550077), (46057, 437403), (50007, 402853), (54589, 369039), (109869, 183359), (123013, 163767), (138171, 145801)]