20796897

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 31328640

約数和(自身を除く): 10531743

約数列:

[1, 3, 11, 33, 73, 89, 97, 219, 267, 291, 803, 979, 1067, 2409, 2937, 3201, 6497, 7081, 8633, 19491, 21243, 25899, 71467, 77891, 94963, 214401, 233673, 284889, 630209, 1890627, 6932299, 20796897]

約数ペア:

[(1, 20796897), (3, 6932299), (11, 1890627), (33, 630209), (73, 284889), (89, 233673), (97, 214401), (219, 94963), (267, 77891), (291, 71467), (803, 25899), (979, 21243), (1067, 19491), (2409, 8633), (2937, 7081), (3201, 6497)]