20698953

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 11234487

約数列:

[1, 3, 11, 29, 33, 43, 87, 129, 319, 473, 503, 957, 1247, 1419, 1509, 3741, 5533, 13717, 14587, 16599, 21629, 41151, 43761, 64887, 160457, 237919, 481371, 627241, 713757, 1881723, 6899651, 20698953]

約数ペア:

[(1, 20698953), (3, 6899651), (11, 1881723), (29, 713757), (33, 627241), (43, 481371), (87, 237919), (129, 160457), (319, 64887), (473, 43761), (503, 41151), (957, 21629), (1247, 16599), (1419, 14587), (1509, 13717), (3741, 5533)]