20776960

素因数分解:

$2^{11}\times 5^1\times {\mathrm{2029}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 49877100

約数和(自身を除く): 29100140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2029, 2048, 2560, 4058, 5120, 8116, 10145, 10240, 16232, 20290, 32464, 40580, 64928, 81160, 129856, 162320, 259712, 324640, 519424, 649280, 1038848, 1298560, 2077696, 2597120, 4155392, 5194240, 10388480, 20776960]

約数ペア:

[(1, 20776960), (2, 10388480), (4, 5194240), (5, 4155392), (8, 2597120), (10, 2077696), (16, 1298560), (20, 1038848), (32, 649280), (40, 519424), (64, 324640), (80, 259712), (128, 162320), (160, 129856), (256, 81160), (320, 64928), (512, 40580), (640, 32464), (1024, 20290), (1280, 16232), (2029, 10240), (2048, 10145), (2560, 8116), (4058, 5120)]