20430662

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{863}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 16894138

約数列:

[1, 2, 7, 14, 19, 38, 89, 133, 178, 266, 623, 863, 1246, 1691, 1726, 3382, 6041, 11837, 12082, 16397, 23674, 32794, 76807, 114779, 153614, 229558, 537649, 1075298, 1459333, 2918666, 10215331, 20430662]

約数ペア:

[(1, 20430662), (2, 10215331), (7, 2918666), (14, 1459333), (19, 1075298), (38, 537649), (89, 229558), (133, 153614), (178, 114779), (266, 76807), (623, 32794), (863, 23674), (1246, 16397), (1691, 12082), (1726, 11837), (3382, 6041)]