20278842

素因数分解:

$2^1\times 3^1\times {\mathrm{257}}^1\times {\mathrm{13151}}^1$

素因数の和:13413

約数の個数: 16

約数和(自身を含む): 40718592

約数和(自身を除く): 20439750

約数列:

[1, 2, 3, 6, 257, 514, 771, 1542, 13151, 26302, 39453, 78906, 3379807, 6759614, 10139421, 20278842]

約数ペア:

[(1, 20278842), (2, 10139421), (3, 6759614), (6, 3379807), (257, 78906), (514, 39453), (771, 26302), (1542, 13151)]