20131580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143797}}^1$

素因数の和:143813

約数の個数: 24

約数和(自身を含む): 48316128

約数和(自身を除く): 28184548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143797, 287594, 575188, 718985, 1006579, 1437970, 2013158, 2875940, 4026316, 5032895, 10065790, 20131580]

約数ペア:

[(1, 20131580), (2, 10065790), (4, 5032895), (5, 4026316), (7, 2875940), (10, 2013158), (14, 1437970), (20, 1006579), (28, 718985), (35, 575188), (70, 287594), (140, 143797)]