20109060

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12413}}^1$

素因数の和:12434

約数の個数: 60

約数和(自身を含む): 63087948

約数和(自身を除く): 42978888

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12413, 24826, 37239, 49652, 62065, 74478, 111717, 124130, 148956, 186195, 223434, 248260, 335151, 372390, 446868, 558585, 670302, 744780, 1005453, 1117170, 1340604, 1675755, 2010906, 2234340, 3351510, 4021812, 5027265, 6703020, 10054530, 20109060]

約数ペア:

[(1, 20109060), (2, 10054530), (3, 6703020), (4, 5027265), (5, 4021812), (6, 3351510), (9, 2234340), (10, 2010906), (12, 1675755), (15, 1340604), (18, 1117170), (20, 1005453), (27, 744780), (30, 670302), (36, 558585), (45, 446868), (54, 372390), (60, 335151), (81, 248260), (90, 223434), (108, 186195), (135, 148956), (162, 124130), (180, 111717), (270, 74478), (324, 62065), (405, 49652), (540, 37239), (810, 24826), (1620, 12413)]