20456514

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87421}}^1$

素因数の和:87442

約数の個数: 24

約数和(自身を含む): 47732412

約数和(自身を除く): 27275898

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87421, 174842, 262263, 524526, 786789, 1136473, 1573578, 2272946, 3409419, 6818838, 10228257, 20456514]

約数ペア:

[(1, 20456514), (2, 10228257), (3, 6818838), (6, 3409419), (9, 2272946), (13, 1573578), (18, 1136473), (26, 786789), (39, 524526), (78, 262263), (117, 174842), (234, 87421)]