20251780

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4799}}^1$

素因数の和:5019

約数の個数: 24

約数和(自身を含む): 42739200

約数和(自身を除く): 22487420

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 4799, 9598, 19196, 23995, 47990, 95980, 1012589, 2025178, 4050356, 5062945, 10125890, 20251780]

約数ペア:

[(1, 20251780), (2, 10125890), (4, 5062945), (5, 4050356), (10, 2025178), (20, 1012589), (211, 95980), (422, 47990), (844, 23995), (1055, 19196), (2110, 9598), (4220, 4799)]