20849780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148927}}^1$

素因数の和:148943

約数の個数: 24

約数和(自身を含む): 50039808

約数和(自身を除く): 29190028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148927, 297854, 595708, 744635, 1042489, 1489270, 2084978, 2978540, 4169956, 5212445, 10424890, 20849780]

約数ペア:

[(1, 20849780), (2, 10424890), (4, 5212445), (5, 4169956), (7, 2978540), (10, 2084978), (14, 1489270), (20, 1042489), (28, 744635), (35, 595708), (70, 297854), (140, 148927)]