20573860

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6311}}^1$

素因数の和:6483

約数の個数: 24

約数和(自身を含む): 43477056

約数和(自身を除く): 22903196

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 6311, 12622, 25244, 31555, 63110, 126220, 1028693, 2057386, 4114772, 5143465, 10286930, 20573860]

約数ペア:

[(1, 20573860), (2, 10286930), (4, 5143465), (5, 4114772), (10, 2057386), (20, 1028693), (163, 126220), (326, 63110), (652, 31555), (815, 25244), (1630, 12622), (3260, 6311)]