187291220

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{6781}}^1$

素因数の和:8171

約数の個数: 24

約数和(自身を含む): 393654408

約数和(自身を除く): 206363188

約数列:

[1, 2, 4, 5, 10, 20, 1381, 2762, 5524, 6781, 6905, 13562, 13810, 27124, 27620, 33905, 67810, 135620, 9364561, 18729122, 37458244, 46822805, 93645610, 187291220]

約数ペア:

[(1, 187291220), (2, 93645610), (4, 46822805), (5, 37458244), (10, 18729122), (20, 9364561), (1381, 135620), (2762, 67810), (5524, 33905), (6781, 27620), (6905, 27124), (13562, 13810)]