20196812859

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{523}}^1\times {\mathrm{2011}}^1$

素因数の和:2747

約数の個数: 32

約数和(自身を含む): 27883809024

約数和(自身を除く): 7686996165

約数列:

[1, 3, 37, 111, 173, 519, 523, 1569, 2011, 6033, 6401, 19203, 19351, 58053, 74407, 90479, 223221, 271437, 347903, 1043709, 1051753, 3155259, 3347723, 10043169, 12872411, 38617233, 38914861, 116744583, 181953269, 545859807, 6732270953, 20196812859]

約数ペア:

[(1, 20196812859), (3, 6732270953), (37, 545859807), (111, 181953269), (173, 116744583), (519, 38914861), (523, 38617233), (1569, 12872411), (2011, 10043169), (6033, 3347723), (6401, 3155259), (19203, 1051753), (19351, 1043709), (58053, 347903), (74407, 271437), (90479, 223221)]