20390078

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{6029}}^1$

素因数の和:6139

約数の個数: 16

約数和(自身を含む): 32562000

約数和(自身を除く): 12171922

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 6029, 12058, 114551, 229102, 536581, 1073162, 10195039, 20390078]

約数ペア:

[(1, 20390078), (2, 10195039), (19, 1073162), (38, 536581), (89, 229102), (178, 114551), (1691, 12058), (3382, 6029)]