20557506

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{9491}}^1$

素因数の和:9534

約数の個数: 24

約数和(自身を含む): 43397424

約数和(自身を除く): 22839918

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 361, 722, 1083, 2166, 9491, 18982, 28473, 56946, 180329, 360658, 540987, 1081974, 3426251, 6852502, 10278753, 20557506]

約数ペア:

[(1, 20557506), (2, 10278753), (3, 6852502), (6, 3426251), (19, 1081974), (38, 540987), (57, 360658), (114, 180329), (361, 56946), (722, 28473), (1083, 18982), (2166, 9491)]