20891113119

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4708387}}^1$

素因数の和:4708439

約数の個数: 24

約数和(自身を含む): 33052883760

約数和(自身を除く): 12161770641

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 4708387, 14125161, 42375483, 80042579, 136543223, 240127737, 409629669, 720383211, 1228889007, 2321234791, 6963704373, 20891113119]

約数ペア:

[(1, 20891113119), (3, 6963704373), (9, 2321234791), (17, 1228889007), (29, 720383211), (51, 409629669), (87, 240127737), (153, 136543223), (261, 80042579), (493, 42375483), (1479, 14125161), (4437, 4708387)]