20729001

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^2$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 30123360

約数和(自身を除く): 9394359

約数列:

[1, 3, 17, 51, 59, 83, 177, 249, 1003, 1411, 3009, 4233, 4897, 6889, 14691, 20667, 83249, 117113, 249747, 351339, 406451, 1219353, 6909667, 20729001]

約数ペア:

[(1, 20729001), (3, 6909667), (17, 1219353), (51, 406451), (59, 351339), (83, 249747), (177, 117113), (249, 83249), (1003, 20667), (1411, 14691), (3009, 6889), (4233, 4897)]