20419946

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{10139}}^1$

素因数の和:10213

約数の個数: 16

約数和(自身を含む): 32853600

約数和(自身を除く): 12433654

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 10139, 20278, 192641, 385282, 537367, 1074734, 10209973, 20419946]

約数ペア:

[(1, 20419946), (2, 10209973), (19, 1074734), (38, 537367), (53, 385282), (106, 192641), (1007, 20278), (2014, 10139)]