20652105

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 34320384

約数和(自身を除く): 13668279

約数列:

[1, 3, 5, 15, 37, 111, 127, 185, 293, 381, 555, 635, 879, 1465, 1905, 4395, 4699, 10841, 14097, 23495, 32523, 37211, 54205, 70485, 111633, 162615, 186055, 558165, 1376807, 4130421, 6884035, 20652105]

約数ペア:

[(1, 20652105), (3, 6884035), (5, 4130421), (15, 1376807), (37, 558165), (111, 186055), (127, 162615), (185, 111633), (293, 70485), (381, 54205), (555, 37211), (635, 32523), (879, 23495), (1465, 14097), (1905, 10841), (4395, 4699)]