20178662

素因数分解:

$2^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{2129}}^1$

素因数の和:2815

約数の個数: 16

約数和(自身を含む): 34659360

約数和(自身を除く): 14480698

約数列:

[1, 2, 7, 14, 677, 1354, 2129, 4258, 4739, 9478, 14903, 29806, 1441333, 2882666, 10089331, 20178662]

約数ペア:

[(1, 20178662), (2, 10089331), (7, 2882666), (14, 1441333), (677, 29806), (1354, 14903), (2129, 9478), (4258, 4739)]