20484784

素因数分解:

$2^4\times {\mathrm{631}}^1\times {\mathrm{2029}}^1$

素因数の和:2668

約数の個数: 20

約数和(自身を含む): 39771760

約数和(自身を除く): 19286976

約数列:

[1, 2, 4, 8, 16, 631, 1262, 2029, 2524, 4058, 5048, 8116, 10096, 16232, 32464, 1280299, 2560598, 5121196, 10242392, 20484784]

約数ペア:

[(1, 20484784), (2, 10242392), (4, 5121196), (8, 2560598), (16, 1280299), (631, 32464), (1262, 16232), (2029, 10096), (2524, 8116), (4058, 5048)]