20806691352

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1\times {\mathrm{42437}}^1$

素因数の和:43136

約数の個数: 64

約数和(自身を含む): 53777433600

約数和(自身を除く): 32970742248

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 659, 744, 1318, 1977, 2636, 3954, 5272, 7908, 15816, 20429, 40858, 42437, 61287, 81716, 84874, 122574, 127311, 163432, 169748, 245148, 254622, 339496, 490296, 509244, 1018488, 1315547, 2631094, 3946641, 5262188, 7893282, 10524376, 15786564, 27965983, 31573128, 55931966, 83897949, 111863932, 167795898, 223727864, 335591796, 671183592, 866945473, 1733890946, 2600836419, 3467781892, 5201672838, 6935563784, 10403345676, 20806691352]

約数ペア:

[(1, 20806691352), (2, 10403345676), (3, 6935563784), (4, 5201672838), (6, 3467781892), (8, 2600836419), (12, 1733890946), (24, 866945473), (31, 671183592), (62, 335591796), (93, 223727864), (124, 167795898), (186, 111863932), (248, 83897949), (372, 55931966), (659, 31573128), (744, 27965983), (1318, 15786564), (1977, 10524376), (2636, 7893282), (3954, 5262188), (5272, 3946641), (7908, 2631094), (15816, 1315547), (20429, 1018488), (40858, 509244), (42437, 490296), (61287, 339496), (81716, 254622), (84874, 245148), (122574, 169748), (127311, 163432)]