12720272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41843}}^1$

素因数の和:41870

約数の個数: 20

約数和(自身を含む): 25943280

約数和(自身を除く): 13223008

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 41843, 83686, 167372, 334744, 669488, 795017, 1590034, 3180068, 6360136, 12720272]

約数ペア:

[(1, 12720272), (2, 6360136), (4, 3180068), (8, 1590034), (16, 795017), (19, 669488), (38, 334744), (76, 167372), (152, 83686), (304, 41843)]