12620905

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{907}}^1$

素因数の和:957

約数の個数: 24

約数和(自身を含む): 17390016

約数和(自身を除く): 4769111

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 907, 1265, 2783, 4535, 9977, 13915, 20861, 49885, 104305, 109747, 229471, 548735, 1147355, 2524181, 12620905]

約数ペア:

[(1, 12620905), (5, 2524181), (11, 1147355), (23, 548735), (55, 229471), (115, 109747), (121, 104305), (253, 49885), (605, 20861), (907, 13915), (1265, 9977), (2783, 4535)]