20923616

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3221}}^1$

素因数の和:3267

約数の個数: 48

約数和(自身を含む): 48716640

約数和(自身を除く): 27793024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 112, 116, 203, 224, 232, 406, 464, 812, 928, 1624, 3221, 3248, 6442, 6496, 12884, 22547, 25768, 45094, 51536, 90188, 93409, 103072, 180376, 186818, 360752, 373636, 653863, 721504, 747272, 1307726, 1494544, 2615452, 2989088, 5230904, 10461808, 20923616]

約数ペア:

[(1, 20923616), (2, 10461808), (4, 5230904), (7, 2989088), (8, 2615452), (14, 1494544), (16, 1307726), (28, 747272), (29, 721504), (32, 653863), (56, 373636), (58, 360752), (112, 186818), (116, 180376), (203, 103072), (224, 93409), (232, 90188), (406, 51536), (464, 45094), (812, 25768), (928, 22547), (1624, 12884), (3221, 6496), (3248, 6442)]