20983699

素因数分解:

${\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 24461360

約数和(自身を除く): 3477661

約数列:

[1, 11, 37, 43, 109, 121, 407, 473, 1199, 1591, 4033, 4477, 4687, 5203, 13189, 17501, 44363, 51557, 173419, 192511, 487993, 567127, 1907609, 20983699]

約数ペア:

[(1, 20983699), (11, 1907609), (37, 567127), (43, 487993), (109, 192511), (121, 173419), (407, 51557), (473, 44363), (1199, 17501), (1591, 13189), (4033, 5203), (4477, 4687)]