20479921

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5659}}^1$

素因数の和:5724

約数の個数: 16

約数和(自身を含む): 26081280

約数和(自身を除く): 5601359

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 5659, 39613, 62249, 265973, 435743, 1861811, 2925703, 20479921]

約数ペア:

[(1, 20479921), (7, 2925703), (11, 1861811), (47, 435743), (77, 265973), (329, 62249), (517, 39613), (3619, 5659)]