20327923

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 26707968

約数和(自身を除く): 6380045

約数列:

[1, 7, 11, 41, 47, 77, 137, 287, 329, 451, 517, 959, 1507, 1927, 3157, 3619, 5617, 6439, 10549, 13489, 21197, 39319, 45073, 61787, 70829, 148379, 263999, 432509, 495803, 1847993, 2903989, 20327923]

約数ペア:

[(1, 20327923), (7, 2903989), (11, 1847993), (41, 495803), (47, 432509), (77, 263999), (137, 148379), (287, 70829), (329, 61787), (451, 45073), (517, 39319), (959, 21197), (1507, 13489), (1927, 10549), (3157, 6439), (3619, 5617)]