20098120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{401}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 52099200

約数和(自身を除く): 32001080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 358, 401, 716, 802, 895, 1253, 1432, 1604, 1790, 2005, 2506, 2807, 3208, 3580, 4010, 5012, 5614, 6265, 7160, 8020, 10024, 11228, 12530, 14035, 16040, 22456, 25060, 28070, 50120, 56140, 71779, 112280, 143558, 287116, 358895, 502453, 574232, 717790, 1004906, 1435580, 2009812, 2512265, 2871160, 4019624, 5024530, 10049060, 20098120]

約数ペア:

[(1, 20098120), (2, 10049060), (4, 5024530), (5, 4019624), (7, 2871160), (8, 2512265), (10, 2009812), (14, 1435580), (20, 1004906), (28, 717790), (35, 574232), (40, 502453), (56, 358895), (70, 287116), (140, 143558), (179, 112280), (280, 71779), (358, 56140), (401, 50120), (716, 28070), (802, 25060), (895, 22456), (1253, 16040), (1432, 14035), (1604, 12530), (1790, 11228), (2005, 10024), (2506, 8020), (2807, 7160), (3208, 6265), (3580, 5614), (4010, 5012)]