20730438

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{5407}}^1$

素因数の和:5489

約数の個数: 32

約数和(自身を含む): 46725120

約数和(自身を除く): 25994682

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 5407, 10814, 16221, 32442, 48663, 97326, 145989, 291978, 383897, 767794, 1151691, 2303382, 3455073, 6910146, 10365219, 20730438]

約数ペア:

[(1, 20730438), (2, 10365219), (3, 6910146), (6, 3455073), (9, 2303382), (18, 1151691), (27, 767794), (54, 383897), (71, 291978), (142, 145989), (213, 97326), (426, 48663), (639, 32442), (1278, 16221), (1917, 10814), (3834, 5407)]