20001210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{666707}}^1$

素因数の和:666717

約数の個数: 16

約数和(自身を含む): 48002976

約数和(自身を除く): 28001766

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 666707, 1333414, 2000121, 3333535, 4000242, 6667070, 10000605, 20001210]

約数ペア:

[(1, 20001210), (2, 10000605), (3, 6667070), (5, 4000242), (6, 3333535), (10, 2000121), (15, 1333414), (30, 666707)]