20138492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1319}}^1$

素因数の和:1681

約数の個数: 24

約数和(自身を含む): 38586240

約数和(自身を除く): 18447748

約数列:

[1, 2, 4, 11, 22, 44, 347, 694, 1319, 1388, 2638, 3817, 5276, 7634, 14509, 15268, 29018, 58036, 457693, 915386, 1830772, 5034623, 10069246, 20138492]

約数ペア:

[(1, 20138492), (2, 10069246), (4, 5034623), (11, 1830772), (22, 915386), (44, 457693), (347, 58036), (694, 29018), (1319, 15268), (1388, 14509), (2638, 7634), (3817, 5276)]