20030217

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{157}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 28713024

約数和(自身を除く): 8682807

約数列:

[1, 3, 23, 43, 69, 129, 157, 471, 989, 1849, 2967, 3611, 5547, 6751, 10833, 20253, 42527, 127581, 155273, 290293, 465819, 870879, 6676739, 20030217]

約数ペア:

[(1, 20030217), (3, 6676739), (23, 870879), (43, 465819), (69, 290293), (129, 155273), (157, 127581), (471, 42527), (989, 20253), (1849, 10833), (2967, 6751), (3611, 5547)]