20164340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144031}}^1$

素因数の和:144047

約数の個数: 24

約数和(自身を含む): 48394752

約数和(自身を除く): 28230412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144031, 288062, 576124, 720155, 1008217, 1440310, 2016434, 2880620, 4032868, 5041085, 10082170, 20164340]

約数ペア:

[(1, 20164340), (2, 10082170), (4, 5041085), (5, 4032868), (7, 2880620), (10, 2016434), (14, 1440310), (20, 1008217), (28, 720155), (35, 576124), (70, 288062), (140, 144031)]