20053340

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2393}}^1$

素因数の和:2821

約数の個数: 24

約数和(自身を含む): 42230160

約数和(自身を除く): 22176820

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 2393, 4190, 4786, 8380, 9572, 11965, 23930, 47860, 1002667, 2005334, 4010668, 5013335, 10026670, 20053340]

約数ペア:

[(1, 20053340), (2, 10026670), (4, 5013335), (5, 4010668), (10, 2005334), (20, 1002667), (419, 47860), (838, 23930), (1676, 11965), (2095, 9572), (2393, 8380), (4190, 4786)]