16901920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{15091}}^1$

素因数の和:15113

約数の個数: 48

約数和(自身を含む): 45638208

約数和(自身を除く): 28736288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 15091, 30182, 60364, 75455, 105637, 120728, 150910, 211274, 241456, 301820, 422548, 482912, 528185, 603640, 845096, 1056370, 1207280, 1690192, 2112740, 2414560, 3380384, 4225480, 8450960, 16901920]

約数ペア:

[(1, 16901920), (2, 8450960), (4, 4225480), (5, 3380384), (7, 2414560), (8, 2112740), (10, 1690192), (14, 1207280), (16, 1056370), (20, 845096), (28, 603640), (32, 528185), (35, 482912), (40, 422548), (56, 301820), (70, 241456), (80, 211274), (112, 150910), (140, 120728), (160, 105637), (224, 75455), (280, 60364), (560, 30182), (1120, 15091)]