20434780

素因数分解:

$2^2\times 5^1\times {\mathrm{593}}^1\times {\mathrm{1723}}^1$

素因数の和:2325

約数の個数: 24

約数和(自身を含む): 43010352

約数和(自身を除く): 22575572

約数列:

[1, 2, 4, 5, 10, 20, 593, 1186, 1723, 2372, 2965, 3446, 5930, 6892, 8615, 11860, 17230, 34460, 1021739, 2043478, 4086956, 5108695, 10217390, 20434780]

約数ペア:

[(1, 20434780), (2, 10217390), (4, 5108695), (5, 4086956), (10, 2043478), (20, 1021739), (593, 34460), (1186, 17230), (1723, 11860), (2372, 8615), (2965, 6892), (3446, 5930)]