20916182

素因数分解:

$2^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{7741}}^1$

素因数の和:7943

約数の個数: 16

約数和(自身を含む): 36046752

約数和(自身を除く): 15130570

約数列:

[1, 2, 7, 14, 193, 386, 1351, 2702, 7741, 15482, 54187, 108374, 1494013, 2988026, 10458091, 20916182]

約数ペア:

[(1, 20916182), (2, 10458091), (7, 2988026), (14, 1494013), (193, 108374), (386, 54187), (1351, 15482), (2702, 7741)]