20514018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4481}}^1$

素因数の和:4602

約数の個数: 32

約数和(自身を含む): 47329920

約数和(自身を除く): 26815902

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 109, 218, 327, 654, 763, 1526, 2289, 4481, 4578, 8962, 13443, 26886, 31367, 62734, 94101, 188202, 488429, 976858, 1465287, 2930574, 3419003, 6838006, 10257009, 20514018]

約数ペア:

[(1, 20514018), (2, 10257009), (3, 6838006), (6, 3419003), (7, 2930574), (14, 1465287), (21, 976858), (42, 488429), (109, 188202), (218, 94101), (327, 62734), (654, 31367), (763, 26886), (1526, 13443), (2289, 8962), (4481, 4578)]