20138025644

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{11057}}^1$

素因数の和:11207

約数の個数: 72

約数和(自身を含む): 40026952224

約数和(自身を除く): 19888926580

約数列:

[1, 2, 4, 11, 22, 44, 53, 71, 106, 121, 142, 212, 242, 284, 484, 583, 781, 1166, 1562, 2332, 3124, 3763, 6413, 7526, 8591, 11057, 12826, 15052, 17182, 22114, 25652, 34364, 41393, 44228, 82786, 121627, 165572, 243254, 455323, 486508, 586021, 785047, 910646, 1172042, 1337897, 1570094, 1821292, 2344084, 2675794, 3140188, 5351588, 6446231, 8635517, 12892462, 17271034, 25784924, 34542068, 41607491, 70908541, 83214982, 94990687, 141817082, 166429964, 189981374, 283634164, 379962748, 457682401, 915364802, 1830729604, 5034506411, 10069012822, 20138025644]

約数ペア:

[(1, 20138025644), (2, 10069012822), (4, 5034506411), (11, 1830729604), (22, 915364802), (44, 457682401), (53, 379962748), (71, 283634164), (106, 189981374), (121, 166429964), (142, 141817082), (212, 94990687), (242, 83214982), (284, 70908541), (484, 41607491), (583, 34542068), (781, 25784924), (1166, 17271034), (1562, 12892462), (2332, 8635517), (3124, 6446231), (3763, 5351588), (6413, 3140188), (7526, 2675794), (8591, 2344084), (11057, 1821292), (12826, 1570094), (15052, 1337897), (17182, 1172042), (22114, 910646), (25652, 785047), (34364, 586021), (41393, 486508), (44228, 455323), (82786, 243254), (121627, 165572)]