20857984

素因数分解:

$2^7\times 7^1\times {\mathrm{23279}}^1$

素因数の和:23300

約数の個数: 32

約数和(自身を含む): 47491200

約数和(自身を除く): 26633216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 23279, 46558, 93116, 162953, 186232, 325906, 372464, 651812, 744928, 1303624, 1489856, 2607248, 2979712, 5214496, 10428992, 20857984]

約数ペア:

[(1, 20857984), (2, 10428992), (4, 5214496), (7, 2979712), (8, 2607248), (14, 1489856), (16, 1303624), (28, 744928), (32, 651812), (56, 372464), (64, 325906), (112, 186232), (128, 162953), (224, 93116), (448, 46558), (896, 23279)]