20002745

素因数分解:

$5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1619}}^1$

素因数の和:1984

約数の個数: 16

約数和(自身を含む): 27527040

約数和(自身を除く): 7524295

約数列:

[1, 5, 7, 35, 353, 1619, 1765, 2471, 8095, 11333, 12355, 56665, 571507, 2857535, 4000549, 20002745]

約数ペア:

[(1, 20002745), (5, 4000549), (7, 2857535), (35, 571507), (353, 56665), (1619, 12355), (1765, 11333), (2471, 8095)]