20659826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30293}}^1$

素因数の和:30337

約数の個数: 16

約数和(自身を含む): 34898688

約数和(自身を除く): 14238862

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 30293, 60586, 333223, 666446, 939083, 1878166, 10329913, 20659826]

約数ペア:

[(1, 20659826), (2, 10329913), (11, 1878166), (22, 939083), (31, 666446), (62, 333223), (341, 60586), (682, 30293)]