20565372562

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{127591}}^1$

素因数の和:128026

約数の個数: 32

約数和(自身を含む): 36562763520

約数和(自身を除く): 15997390958

約数列:

[1, 2, 7, 14, 29, 58, 203, 397, 406, 794, 2779, 5558, 11513, 23026, 80591, 127591, 161182, 255182, 893137, 1786274, 3700139, 7400278, 25900973, 50653627, 51801946, 101307254, 354575389, 709150778, 1468955183, 2937910366, 10282686281, 20565372562]

約数ペア:

[(1, 20565372562), (2, 10282686281), (7, 2937910366), (14, 1468955183), (29, 709150778), (58, 354575389), (203, 101307254), (397, 51801946), (406, 50653627), (794, 25900973), (2779, 7400278), (5558, 3700139), (11513, 1786274), (23026, 893137), (80591, 255182), (127591, 161182)]