20142590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154943}}^1$

素因数の和:154963

約数の個数: 16

約数和(自身を含む): 39045888

約数和(自身を除く): 18903298

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 154943, 309886, 774715, 1549430, 2014259, 4028518, 10071295, 20142590]

約数ペア:

[(1, 20142590), (2, 10071295), (5, 4028518), (10, 2014259), (13, 1549430), (26, 774715), (65, 309886), (130, 154943)]