20052590

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22531}}^1$

素因数の和:22627

約数の個数: 16

約数和(自身を含む): 36501840

約数和(自身を除く): 16449250

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 22531, 45062, 112655, 225310, 2005259, 4010518, 10026295, 20052590]

約数ペア:

[(1, 20052590), (2, 10026295), (5, 4010518), (10, 2005259), (89, 225310), (178, 112655), (445, 45062), (890, 22531)]