20091111908

素因数分解:

$2^2\times 7^2\times {\mathrm{719}}^1\times {\mathrm{142567}}^1$

素因数の和:143304

約数の個数: 36

約数和(自身を含む): 40956935040

約数和(自身を除く): 20865823132

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 719, 1438, 2876, 5033, 10066, 20132, 35231, 70462, 140924, 142567, 285134, 570268, 997969, 1995938, 3991876, 6985783, 13971566, 27943132, 102505673, 205011346, 410022692, 717539711, 1435079422, 2870158844, 5022777977, 10045555954, 20091111908]

約数ペア:

[(1, 20091111908), (2, 10045555954), (4, 5022777977), (7, 2870158844), (14, 1435079422), (28, 717539711), (49, 410022692), (98, 205011346), (196, 102505673), (719, 27943132), (1438, 13971566), (2876, 6985783), (5033, 3991876), (10066, 1995938), (20132, 997969), (35231, 570268), (70462, 285134), (140924, 142567)]