20457987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{36467}}^1$

素因数の和:36498

約数の個数: 16

約数和(自身を含む): 31508352

約数和(自身を除く): 11050365

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 36467, 109401, 401137, 619939, 1203411, 1859817, 6819329, 20457987]

約数ペア:

[(1, 20457987), (3, 6819329), (11, 1859817), (17, 1203411), (33, 619939), (51, 401137), (187, 109401), (561, 36467)]