20138657481

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{773}}^1\times {\mathrm{1777}}^1$

素因数の和:2743

約数の個数: 40

約数和(自身を含む): 30306059784

約数和(自身を除く): 10167402303

約数列:

[1, 3, 9, 27, 81, 181, 543, 773, 1629, 1777, 2319, 4887, 5331, 6957, 14661, 15993, 20871, 47979, 62613, 139913, 143937, 321637, 419739, 964911, 1259217, 1373621, 2894733, 3777651, 4120863, 8684199, 11332953, 12362589, 26052597, 37087767, 111263301, 248625401, 745876203, 2237628609, 6712885827, 20138657481]

約数ペア:

[(1, 20138657481), (3, 6712885827), (9, 2237628609), (27, 745876203), (81, 248625401), (181, 111263301), (543, 37087767), (773, 26052597), (1629, 12362589), (1777, 11332953), (2319, 8684199), (4887, 4120863), (5331, 3777651), (6957, 2894733), (14661, 1373621), (15993, 1259217), (20871, 964911), (47979, 419739), (62613, 321637), (139913, 143937)]