20555456

素因数分解:

$2^6\times {\mathrm{509}}^1\times {\mathrm{631}}^1$

素因数の和:1152

約数の個数: 28

約数和(自身を含む): 40934640

約数和(自身を除く): 20379184

約数列:

[1, 2, 4, 8, 16, 32, 64, 509, 631, 1018, 1262, 2036, 2524, 4072, 5048, 8144, 10096, 16288, 20192, 32576, 40384, 321179, 642358, 1284716, 2569432, 5138864, 10277728, 20555456]

約数ペア:

[(1, 20555456), (2, 10277728), (4, 5138864), (8, 2569432), (16, 1284716), (32, 642358), (64, 321179), (509, 40384), (631, 32576), (1018, 20192), (1262, 16288), (2036, 10096), (2524, 8144), (4072, 5048)]