20254738

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{71}}^2$

素因数の和:199

約数の個数: 36

約数和(自身を含む): 36721566

約数和(自身を除く): 16466828

約数列:

[1, 2, 7, 14, 41, 49, 71, 82, 98, 142, 287, 497, 574, 994, 2009, 2911, 3479, 4018, 5041, 5822, 6958, 10082, 20377, 35287, 40754, 70574, 142639, 206681, 247009, 285278, 413362, 494018, 1446767, 2893534, 10127369, 20254738]

約数ペア:

[(1, 20254738), (2, 10127369), (7, 2893534), (14, 1446767), (41, 494018), (49, 413362), (71, 285278), (82, 247009), (98, 206681), (142, 142639), (287, 70574), (497, 40754), (574, 35287), (994, 20377), (2009, 10082), (2911, 6958), (3479, 5822), (4018, 5041)]