20166685

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1069}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 30816000

約数和(自身を除く): 10649315

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 539, 1069, 1715, 2695, 3773, 5345, 7483, 11759, 18865, 37415, 52381, 58795, 82313, 261905, 366667, 411565, 576191, 1833335, 2880955, 4033337, 20166685]

約数ペア:

[(1, 20166685), (5, 4033337), (7, 2880955), (11, 1833335), (35, 576191), (49, 411565), (55, 366667), (77, 261905), (245, 82313), (343, 58795), (385, 52381), (539, 37415), (1069, 18865), (1715, 11759), (2695, 7483), (3773, 5345)]