20161686940

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2702639}}^1$

素因数の和:2703021

約数の個数: 24

約数和(自身を含む): 42453069120

約数和(自身を除く): 22291382180

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1865, 3730, 7460, 2702639, 5405278, 10810556, 13513195, 27026390, 54052780, 1008084347, 2016168694, 4032337388, 5040421735, 10080843470, 20161686940]

約数ペア:

[(1, 20161686940), (2, 10080843470), (4, 5040421735), (5, 4032337388), (10, 2016168694), (20, 1008084347), (373, 54052780), (746, 27026390), (1492, 13513195), (1865, 10810556), (3730, 5405278), (7460, 2702639)]