20958596

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2843}}^1$

素因数の和:2963

約数の個数: 24

約数和(自身を含む): 39019680

約数和(自身を除く): 18061084

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1843, 2843, 3686, 5686, 7372, 11372, 54017, 108034, 216068, 275771, 551542, 1103084, 5239649, 10479298, 20958596]

約数ペア:

[(1, 20958596), (2, 10479298), (4, 5239649), (19, 1103084), (38, 551542), (76, 275771), (97, 216068), (194, 108034), (388, 54017), (1843, 11372), (2843, 7372), (3686, 5686)]