20654214

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13291}}^1$

素因数の和:13340

約数の個数: 32

約数和(自身を含む): 48489216

約数和(自身を除く): 27835002

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13291, 26582, 39873, 79746, 93037, 186074, 279111, 491767, 558222, 983534, 1475301, 2950602, 3442369, 6884738, 10327107, 20654214]

約数ペア:

[(1, 20654214), (2, 10327107), (3, 6884738), (6, 3442369), (7, 2950602), (14, 1475301), (21, 983534), (37, 558222), (42, 491767), (74, 279111), (111, 186074), (222, 93037), (259, 79746), (518, 39873), (777, 26582), (1554, 13291)]