20272012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{743}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 37497600

約数和(自身を除く): 17225588

約数列:

[1, 2, 4, 19, 38, 76, 359, 718, 743, 1436, 1486, 2972, 6821, 13642, 14117, 27284, 28234, 56468, 266737, 533474, 1066948, 5068003, 10136006, 20272012]

約数ペア:

[(1, 20272012), (2, 10136006), (4, 5068003), (19, 1066948), (38, 533474), (76, 266737), (359, 56468), (718, 28234), (743, 27284), (1436, 14117), (1486, 13642), (2972, 6821)]