20199291003

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5305829}}^1$

素因数の和:5305888

約数の個数: 20

約数和(自身を含む): 30816260640

約数和(自身を除く): 10616969637

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5305829, 15917487, 47752461, 143257383, 249373963, 429772149, 748121889, 2244365667, 6733097001, 20199291003]

約数ペア:

[(1, 20199291003), (3, 6733097001), (9, 2244365667), (27, 748121889), (47, 429772149), (81, 249373963), (141, 143257383), (423, 47752461), (1269, 15917487), (3807, 5305829)]