20516484

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{617}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 51081408

約数和(自身を除く): 30564924

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 163, 204, 326, 489, 617, 652, 978, 1234, 1851, 1956, 2468, 2771, 3702, 5542, 7404, 8313, 10489, 11084, 16626, 20978, 31467, 33252, 41956, 62934, 100571, 125868, 201142, 301713, 402284, 603426, 1206852, 1709707, 3419414, 5129121, 6838828, 10258242, 20516484]

約数ペア:

[(1, 20516484), (2, 10258242), (3, 6838828), (4, 5129121), (6, 3419414), (12, 1709707), (17, 1206852), (34, 603426), (51, 402284), (68, 301713), (102, 201142), (163, 125868), (204, 100571), (326, 62934), (489, 41956), (617, 33252), (652, 31467), (978, 20978), (1234, 16626), (1851, 11084), (1956, 10489), (2468, 8313), (2771, 7404), (3702, 5542)]