20685437624

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{19738013}}^1$

素因数の和:19738150

約数の個数: 16

約数和(自身を含む): 39081267720

約数和(自身を除く): 18395830096

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 19738013, 39476026, 78952052, 157904104, 2585679703, 5171359406, 10342718812, 20685437624]

約数ペア:

[(1, 20685437624), (2, 10342718812), (4, 5171359406), (8, 2585679703), (131, 157904104), (262, 78952052), (524, 39476026), (1048, 19738013)]