20681917096

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{199033}}^1$

素因数の和:199489

約数の個数: 32

約数和(自身を含む): 40125254400

約数和(自身を除く): 19443337304

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 419, 838, 1676, 3352, 12989, 25978, 51956, 103912, 199033, 398066, 796132, 1592264, 6170023, 12340046, 24680092, 49360184, 83394827, 166789654, 333579308, 667158616, 2585239637, 5170479274, 10340958548, 20681917096]

約数ペア:

[(1, 20681917096), (2, 10340958548), (4, 5170479274), (8, 2585239637), (31, 667158616), (62, 333579308), (124, 166789654), (248, 83394827), (419, 49360184), (838, 24680092), (1676, 12340046), (3352, 6170023), (12989, 1592264), (25978, 796132), (51956, 398066), (103912, 199033)]