20179187560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{341557}}^1$

素因数の和:341786

約数の個数: 64

約数和(自身を含む): 52135413120

約数和(自身を除く): 31956225560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 844, 1055, 1477, 1688, 2110, 2954, 4220, 5908, 7385, 8440, 11816, 14770, 29540, 59080, 341557, 683114, 1366228, 1707785, 2390899, 2732456, 3415570, 4781798, 6831140, 9563596, 11954495, 13662280, 19127192, 23908990, 47817980, 72068527, 95635960, 144137054, 288274108, 360342635, 504479689, 576548216, 720685270, 1008959378, 1441370540, 2017918756, 2522398445, 2882741080, 4035837512, 5044796890, 10089593780, 20179187560]

約数ペア:

[(1, 20179187560), (2, 10089593780), (4, 5044796890), (5, 4035837512), (7, 2882741080), (8, 2522398445), (10, 2017918756), (14, 1441370540), (20, 1008959378), (28, 720685270), (35, 576548216), (40, 504479689), (56, 360342635), (70, 288274108), (140, 144137054), (211, 95635960), (280, 72068527), (422, 47817980), (844, 23908990), (1055, 19127192), (1477, 13662280), (1688, 11954495), (2110, 9563596), (2954, 6831140), (4220, 4781798), (5908, 3415570), (7385, 2732456), (8440, 2390899), (11816, 1707785), (14770, 1366228), (29540, 683114), (59080, 341557)]