20189798538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{83471}}^1$

素因数の和:83939

約数の個数: 64

約数和(自身を含む): 49810747392

約数和(自身を除く): 29620948854

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 443, 546, 886, 1329, 2658, 3101, 5759, 6202, 9303, 11518, 17277, 18606, 34554, 40313, 80626, 83471, 120939, 166942, 241878, 250413, 500826, 584297, 1085123, 1168594, 1752891, 2170246, 3255369, 3505782, 6510738, 7595861, 15191722, 22787583, 36977653, 45575166, 73955306, 110932959, 221865918, 258843571, 480709489, 517687142, 776530713, 961418978, 1442128467, 1553061426, 2884256934, 3364966423, 6729932846, 10094899269, 20189798538]

約数ペア:

[(1, 20189798538), (2, 10094899269), (3, 6729932846), (6, 3364966423), (7, 2884256934), (13, 1553061426), (14, 1442128467), (21, 961418978), (26, 776530713), (39, 517687142), (42, 480709489), (78, 258843571), (91, 221865918), (182, 110932959), (273, 73955306), (443, 45575166), (546, 36977653), (886, 22787583), (1329, 15191722), (2658, 7595861), (3101, 6510738), (5759, 3505782), (6202, 3255369), (9303, 2170246), (11518, 1752891), (17277, 1168594), (18606, 1085123), (34554, 584297), (40313, 500826), (80626, 250413), (83471, 241878), (120939, 166942)]