20887744

素因数分解:

$2^6\times {\mathrm{389}}^1\times {\mathrm{839}}^1$

素因数の和:1240

約数の個数: 28

約数和(自身を含む): 41605200

約数和(自身を除く): 20717456

約数列:

[1, 2, 4, 8, 16, 32, 64, 389, 778, 839, 1556, 1678, 3112, 3356, 6224, 6712, 12448, 13424, 24896, 26848, 53696, 326371, 652742, 1305484, 2610968, 5221936, 10443872, 20887744]

約数ペア:

[(1, 20887744), (2, 10443872), (4, 5221936), (8, 2610968), (16, 1305484), (32, 652742), (64, 326371), (389, 53696), (778, 26848), (839, 24896), (1556, 13424), (1678, 12448), (3112, 6712), (3356, 6224)]