66741820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{34403}}^1$

素因数の和:34509

約数の個数: 24

約数和(自身を含む): 141606864

約数和(自身を除く): 74865044

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 34403, 68806, 137612, 172015, 344030, 688060, 3337091, 6674182, 13348364, 16685455, 33370910, 66741820]

約数ペア:

[(1, 66741820), (2, 33370910), (4, 16685455), (5, 13348364), (10, 6674182), (20, 3337091), (97, 688060), (194, 344030), (388, 172015), (485, 137612), (970, 68806), (1940, 34403)]