20852638

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1549}}^1$

素因数の和:1731

約数の個数: 16

約数和(自身を含む): 32140800

約数和(自身を除く): 11288162

約数列:

[1, 2, 53, 106, 127, 254, 1549, 3098, 6731, 13462, 82097, 164194, 196723, 393446, 10426319, 20852638]

約数ペア:

[(1, 20852638), (2, 10426319), (53, 393446), (106, 196723), (127, 164194), (254, 82097), (1549, 13462), (3098, 6731)]