20363967

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:341

約数の個数: 40

約数和(自身を含む): 33297264

約数和(自身を除く): 12933297

約数列:

[1, 3, 9, 13, 27, 39, 81, 83, 117, 233, 249, 351, 699, 747, 1053, 1079, 2097, 2241, 3029, 3237, 6291, 6723, 9087, 9711, 18873, 19339, 27261, 29133, 58017, 81783, 87399, 174051, 245349, 251407, 522153, 754221, 1566459, 2262663, 6787989, 20363967]

約数ペア:

[(1, 20363967), (3, 6787989), (9, 2262663), (13, 1566459), (27, 754221), (39, 522153), (81, 251407), (83, 245349), (117, 174051), (233, 87399), (249, 81783), (351, 58017), (699, 29133), (747, 27261), (1053, 19339), (1079, 18873), (2097, 9711), (2241, 9087), (3029, 6723), (3237, 6291)]