20855680

素因数分解:

$2^7\times 5^1\times {\mathrm{32587}}^1$

素因数の和:32606

約数の個数: 32

約数和(自身を含む): 49859640

約数和(自身を除く): 29003960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 32587, 65174, 130348, 162935, 260696, 325870, 521392, 651740, 1042784, 1303480, 2085568, 2606960, 4171136, 5213920, 10427840, 20855680]

約数ペア:

[(1, 20855680), (2, 10427840), (4, 5213920), (5, 4171136), (8, 2606960), (10, 2085568), (16, 1303480), (20, 1042784), (32, 651740), (40, 521392), (64, 325870), (80, 260696), (128, 162935), (160, 130348), (320, 65174), (640, 32587)]