20389792

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{15541}}^1$

素因数の和:15592

約数の個数: 24

約数和(自身を含む): 41124132

約数和(自身を除く): 20734340

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 15541, 31082, 62164, 124328, 248656, 497312, 637181, 1274362, 2548724, 5097448, 10194896, 20389792]

約数ペア:

[(1, 20389792), (2, 10194896), (4, 5097448), (8, 2548724), (16, 1274362), (32, 637181), (41, 497312), (82, 248656), (164, 124328), (328, 62164), (656, 31082), (1312, 15541)]