20116786

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{1097}}^1$

素因数の和:1325

約数の個数: 16

約数和(自身を含む): 30950424

約数和(自身を除く): 10833638

約数列:

[1, 2, 53, 106, 173, 346, 1097, 2194, 9169, 18338, 58141, 116282, 189781, 379562, 10058393, 20116786]

約数ペア:

[(1, 20116786), (2, 10058393), (53, 379562), (106, 189781), (173, 116282), (346, 58141), (1097, 18338), (2194, 9169)]