20818164

素因数分解:

$2^2\times 3^1\times {\mathrm{503}}^1\times {\mathrm{3449}}^1$

素因数の和:3959

約数の個数: 24

約数和(自身を含む): 48686400

約数和(自身を除く): 27868236

約数列:

[1, 2, 3, 4, 6, 12, 503, 1006, 1509, 2012, 3018, 3449, 6036, 6898, 10347, 13796, 20694, 41388, 1734847, 3469694, 5204541, 6939388, 10409082, 20818164]

約数ペア:

[(1, 20818164), (2, 10409082), (3, 6939388), (4, 5204541), (6, 3469694), (12, 1734847), (503, 41388), (1006, 20694), (1509, 13796), (2012, 10347), (3018, 6898), (3449, 6036)]