20376940

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{5279}}^1$

素因数の和:5481

約数の個数: 24

約数和(自身を含む): 43021440

約数和(自身を除く): 22644500

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 5279, 10558, 21116, 26395, 52790, 105580, 1018847, 2037694, 4075388, 5094235, 10188470, 20376940]

約数ペア:

[(1, 20376940), (2, 10188470), (4, 5094235), (5, 4075388), (10, 2037694), (20, 1018847), (193, 105580), (386, 52790), (772, 26395), (965, 21116), (1930, 10558), (3860, 5279)]