20740438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{2029}}^1$

素因数の和:2319

約数の個数: 16

約数和(自身を含む): 32886000

約数和(自身を除く): 12145562

約数列:

[1, 2, 19, 38, 269, 538, 2029, 4058, 5111, 10222, 38551, 77102, 545801, 1091602, 10370219, 20740438]

約数ペア:

[(1, 20740438), (2, 10370219), (19, 1091602), (38, 545801), (269, 77102), (538, 38551), (2029, 10222), (4058, 5111)]