20135260

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^2\times {\mathrm{107}}^1$

素因数の和:310

約数の個数: 36

約数和(自身を含む): 43123752

約数和(自身を除く): 22988492

約数列:

[1, 2, 4, 5, 10, 20, 97, 107, 194, 214, 388, 428, 485, 535, 970, 1070, 1940, 2140, 9409, 10379, 18818, 20758, 37636, 41516, 47045, 51895, 94090, 103790, 188180, 207580, 1006763, 2013526, 4027052, 5033815, 10067630, 20135260]

約数ペア:

[(1, 20135260), (2, 10067630), (4, 5033815), (5, 4027052), (10, 2013526), (20, 1006763), (97, 207580), (107, 188180), (194, 103790), (214, 94090), (388, 51895), (428, 47045), (485, 41516), (535, 37636), (970, 20758), (1070, 18818), (1940, 10379), (2140, 9409)]