20728212

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{55721}}^1$

素因数の和:55759

約数の個数: 24

約数和(自身を含む): 49926912

約数和(自身を除く): 29198700

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 55721, 111442, 167163, 222884, 334326, 668652, 1727351, 3454702, 5182053, 6909404, 10364106, 20728212]

約数ペア:

[(1, 20728212), (2, 10364106), (3, 6909404), (4, 5182053), (6, 3454702), (12, 1727351), (31, 668652), (62, 334326), (93, 222884), (124, 167163), (186, 111442), (372, 55721)]