20122355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15907}}^1$

素因数の和:15946

約数の個数: 16

約数和(自身を含む): 27489024

約数和(自身を除く): 7366669

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 15907, 79535, 174977, 365861, 874885, 1829305, 4024471, 20122355]

約数ペア:

[(1, 20122355), (5, 4024471), (11, 1829305), (23, 874885), (55, 365861), (115, 174977), (253, 79535), (1265, 15907)]