20457732

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^3\times {\mathrm{347}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 50863680

約数和(自身を除く): 30405948

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 289, 347, 578, 694, 867, 1041, 1156, 1388, 1734, 2082, 3468, 4164, 4913, 5899, 9826, 11798, 14739, 17697, 19652, 23596, 29478, 35394, 58956, 70788, 100283, 200566, 300849, 401132, 601698, 1203396, 1704811, 3409622, 5114433, 6819244, 10228866, 20457732]

約数ペア:

[(1, 20457732), (2, 10228866), (3, 6819244), (4, 5114433), (6, 3409622), (12, 1704811), (17, 1203396), (34, 601698), (51, 401132), (68, 300849), (102, 200566), (204, 100283), (289, 70788), (347, 58956), (578, 35394), (694, 29478), (867, 23596), (1041, 19652), (1156, 17697), (1388, 14739), (1734, 11798), (2082, 9826), (3468, 5899), (4164, 4913)]