20149941

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{25933}}^1$

素因数の和:25980

約数の個数: 16

約数和(自身を含む): 31535744

約数和(自身を除く): 11385803

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 25933, 77799, 181531, 544593, 959521, 2878563, 6716647, 20149941]

約数ペア:

[(1, 20149941), (3, 6716647), (7, 2878563), (21, 959521), (37, 544593), (111, 181531), (259, 77799), (777, 25933)]