20439554498

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{665047}}^1$

素因数の和:665198

約数の個数: 24

約数和(自身を含む): 33965331456

約数和(自身を除く): 13525776958

約数列:

[1, 2, 11, 22, 121, 127, 242, 254, 1397, 2794, 15367, 30734, 665047, 1330094, 7315517, 14631034, 80470687, 84460969, 160941374, 168921938, 929070659, 1858141318, 10219777249, 20439554498]

約数ペア:

[(1, 20439554498), (2, 10219777249), (11, 1858141318), (22, 929070659), (121, 168921938), (127, 160941374), (242, 84460969), (254, 80470687), (1397, 14631034), (2794, 7315517), (15367, 1330094), (30734, 665047)]