20565245855

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1090127}}^1$

素因数の和:1090164

約数の個数: 32

約数和(自身を含む): 31395686400

約数和(自身を除く): 10830440545

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 539, 1715, 2695, 3773, 18865, 1090127, 5450635, 7630889, 11991397, 38154445, 53416223, 59956985, 83939779, 267081115, 373913561, 419698895, 587578453, 1869567805, 2937892265, 4113049171, 20565245855]

約数ペア:

[(1, 20565245855), (5, 4113049171), (7, 2937892265), (11, 1869567805), (35, 587578453), (49, 419698895), (55, 373913561), (77, 267081115), (245, 83939779), (343, 59956985), (385, 53416223), (539, 38154445), (1715, 11991397), (2695, 7630889), (3773, 5450635), (18865, 1090127)]