20145128828

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{3041}}^1\times {\mathrm{13687}}^1$

素因数の和:16754

約数の個数: 36

約数和(自身を含む): 38765812176

約数和(自身を除く): 18620683348

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 3041, 6082, 12164, 13687, 27374, 33451, 54748, 66902, 133804, 150557, 301114, 367961, 602228, 735922, 1471844, 1656127, 3312254, 6624508, 41622167, 83244334, 166488668, 457843837, 915687674, 1831375348, 5036282207, 10072564414, 20145128828]

約数ペア:

[(1, 20145128828), (2, 10072564414), (4, 5036282207), (11, 1831375348), (22, 915687674), (44, 457843837), (121, 166488668), (242, 83244334), (484, 41622167), (3041, 6624508), (6082, 3312254), (12164, 1656127), (13687, 1471844), (27374, 735922), (33451, 602228), (54748, 367961), (66902, 301114), (133804, 150557)]