20751543

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5897}}^1$

素因数の和:5943

約数の個数: 24

約数和(自身を含む): 33123168

約数和(自身を除く): 12371625

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5897, 17691, 53073, 100249, 135631, 300747, 406893, 902241, 1220679, 2305727, 6917181, 20751543]

約数ペア:

[(1, 20751543), (3, 6917181), (9, 2305727), (17, 1220679), (23, 902241), (51, 406893), (69, 300747), (153, 135631), (207, 100249), (391, 53073), (1173, 17691), (3519, 5897)]