20908384

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3011}}^1$

素因数の和:3059

約数の個数: 48

約数和(自身を含む): 48577536

約数和(自身を除く): 27669152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3011, 3472, 6022, 6944, 12044, 21077, 24088, 42154, 48176, 84308, 93341, 96352, 168616, 186682, 337232, 373364, 653387, 674464, 746728, 1306774, 1493456, 2613548, 2986912, 5227096, 10454192, 20908384]

約数ペア:

[(1, 20908384), (2, 10454192), (4, 5227096), (7, 2986912), (8, 2613548), (14, 1493456), (16, 1306774), (28, 746728), (31, 674464), (32, 653387), (56, 373364), (62, 337232), (112, 186682), (124, 168616), (217, 96352), (224, 93341), (248, 84308), (434, 48176), (496, 42154), (868, 24088), (992, 21077), (1736, 12044), (3011, 6944), (3472, 6022)]