20178759518

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1487}}^1\times {\mathrm{1553}}^1$

素因数の和:3316

約数の個数: 32

約数和(自身を含む): 32215688064

約数和(自身を除く): 12036928546

約数列:

[1, 2, 17, 34, 257, 514, 1487, 1553, 2974, 3106, 4369, 8738, 25279, 26401, 50558, 52802, 382159, 399121, 764318, 798242, 2309311, 4618622, 6496703, 6785057, 12993406, 13570114, 39258287, 78516574, 593492927, 1186985854, 10089379759, 20178759518]

約数ペア:

[(1, 20178759518), (2, 10089379759), (17, 1186985854), (34, 593492927), (257, 78516574), (514, 39258287), (1487, 13570114), (1553, 12993406), (2974, 6785057), (3106, 6496703), (4369, 4618622), (8738, 2309311), (25279, 798242), (26401, 764318), (50558, 399121), (52802, 382159)]