20131222

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7907}}^1$

素因数の和:7995

約数の個数: 16

約数和(自身を含む): 32264640

約数和(自身を除く): 12133418

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 7907, 15814, 150233, 300466, 529769, 1059538, 10065611, 20131222]

約数ペア:

[(1, 20131222), (2, 10065611), (19, 1059538), (38, 529769), (67, 300466), (134, 150233), (1273, 15814), (2546, 7907)]