20120355824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66185381}}^1$

素因数の和:66185408

約数の個数: 20

約数和(自身を含む): 41034936840

約数和(自身を除く): 20914581016

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66185381, 132370762, 264741524, 529483048, 1058966096, 1257522239, 2515044478, 5030088956, 10060177912, 20120355824]

約数ペア:

[(1, 20120355824), (2, 10060177912), (4, 5030088956), (8, 2515044478), (16, 1257522239), (19, 1058966096), (38, 529483048), (76, 264741524), (152, 132370762), (304, 66185381)]