20418785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{1049}}^1$

素因数の和:1300

約数の個数: 16

約数和(自身を含む): 26082000

約数和(自身を除く): 5663215

約数列:

[1, 5, 17, 85, 229, 1049, 1145, 3893, 5245, 17833, 19465, 89165, 240221, 1201105, 4083757, 20418785]

約数ペア:

[(1, 20418785), (5, 4083757), (17, 1201105), (85, 240221), (229, 89165), (1049, 19465), (1145, 17833), (3893, 5245)]