20201967

素因数分解:

$3^4\times {\mathrm{17}}^2\times {\mathrm{863}}^1$

素因数の和:909

約数の個数: 30

約数和(自身を含む): 32095008

約数和(自身を除く): 11893041

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 289, 459, 863, 867, 1377, 2589, 2601, 7767, 7803, 14671, 23301, 23409, 44013, 69903, 132039, 249407, 396117, 748221, 1188351, 2244663, 6733989, 20201967]

約数ペア:

[(1, 20201967), (3, 6733989), (9, 2244663), (17, 1188351), (27, 748221), (51, 396117), (81, 249407), (153, 132039), (289, 69903), (459, 44013), (863, 23409), (867, 23301), (1377, 14671), (2589, 7803), (2601, 7767)]