20000239

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 25214976

約数和(自身を除く): 5214737

約数列:

[1, 7, 31, 37, 47, 53, 217, 259, 329, 371, 1147, 1457, 1643, 1739, 1961, 2491, 8029, 10199, 11501, 12173, 13727, 17437, 53909, 60791, 77221, 92167, 377363, 425537, 540547, 645169, 2857177, 20000239]

約数ペア:

[(1, 20000239), (7, 2857177), (31, 645169), (37, 540547), (47, 425537), (53, 377363), (217, 92167), (259, 77221), (329, 60791), (371, 53909), (1147, 17437), (1457, 13727), (1643, 12173), (1739, 11501), (1961, 10199), (2491, 8029)]