20027722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 15534518

約数列:

[1, 2, 11, 13, 22, 26, 143, 239, 286, 293, 478, 586, 2629, 3107, 3223, 3809, 5258, 6214, 6446, 7618, 34177, 41899, 68354, 70027, 83798, 140054, 770297, 910351, 1540594, 1820702, 10013861, 20027722]

約数ペア:

[(1, 20027722), (2, 10013861), (11, 1820702), (13, 1540594), (22, 910351), (26, 770297), (143, 140054), (239, 83798), (286, 70027), (293, 68354), (478, 41899), (586, 34177), (2629, 7618), (3107, 6446), (3223, 6214), (3809, 5258)]