20321000330

素因数分解:

$2^1\times 5^1\times {\mathrm{4639}}^1\times {\mathrm{438047}}^1$

素因数の和:442693

約数の個数: 16

約数和(自身を含む): 36585768960

約数和(自身を除く): 16264768630

約数列:

[1, 2, 5, 10, 4639, 9278, 23195, 46390, 438047, 876094, 2190235, 4380470, 2032100033, 4064200066, 10160500165, 20321000330]

約数ペア:

[(1, 20321000330), (2, 10160500165), (5, 4064200066), (10, 2032100033), (4639, 4380470), (9278, 2190235), (23195, 876094), (46390, 438047)]