2020780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{191}}^1$

素因数の和:246

約数の個数: 36

約数和(自身を含む): 4459392

約数和(自身を除く): 2438612

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 191, 230, 382, 460, 529, 764, 955, 1058, 1910, 2116, 2645, 3820, 4393, 5290, 8786, 10580, 17572, 21965, 43930, 87860, 101039, 202078, 404156, 505195, 1010390, 2020780]

約数ペア:

[(1, 2020780), (2, 1010390), (4, 505195), (5, 404156), (10, 202078), (20, 101039), (23, 87860), (46, 43930), (92, 21965), (115, 17572), (191, 10580), (230, 8786), (382, 5290), (460, 4393), (529, 3820), (764, 2645), (955, 2116), (1058, 1910)]