22691780

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1399}}^1$

素因数の和:2219

約数の個数: 24

約数和(自身を含む): 47745600

約数和(自身を除く): 25053820

約数列:

[1, 2, 4, 5, 10, 20, 811, 1399, 1622, 2798, 3244, 4055, 5596, 6995, 8110, 13990, 16220, 27980, 1134589, 2269178, 4538356, 5672945, 11345890, 22691780]

約数ペア:

[(1, 22691780), (2, 11345890), (4, 5672945), (5, 4538356), (10, 2269178), (20, 1134589), (811, 27980), (1399, 16220), (1622, 13990), (2798, 8110), (3244, 6995), (4055, 5596)]