20797658

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9227}}^1$

素因数の和:9266

約数の個数: 24

約数和(自身を含む): 37871712

約数和(自身を除く): 17074054

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 9227, 18454, 64589, 129178, 212221, 424442, 452123, 904246, 1485547, 2971094, 10398829, 20797658]

約数ペア:

[(1, 20797658), (2, 10398829), (7, 2971094), (14, 1485547), (23, 904246), (46, 452123), (49, 424442), (98, 212221), (161, 129178), (322, 64589), (1127, 18454), (2254, 9227)]