20199427287

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{285049}}^1$

素因数の和:285167

約数の個数: 32

約数和(自身を含む): 30648576000

約数和(自身を除く): 10449148713

約数列:

[1, 3, 13, 23, 39, 69, 79, 237, 299, 897, 1027, 1817, 3081, 5451, 23621, 70863, 285049, 855147, 3705637, 6556127, 11116911, 19668381, 22518871, 67556613, 85229651, 255688953, 292745323, 517934033, 878235969, 1553802099, 6733142429, 20199427287]

約数ペア:

[(1, 20199427287), (3, 6733142429), (13, 1553802099), (23, 878235969), (39, 517934033), (69, 292745323), (79, 255688953), (237, 85229651), (299, 67556613), (897, 22518871), (1027, 19668381), (1817, 11116911), (3081, 6556127), (5451, 3705637), (23621, 855147), (70863, 285049)]