20499687783088

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{223939}}^1\times {\mathrm{301123}}^1$

素因数の和:525089

約数の個数: 40

約数和(自身を含む): 41808899307200

約数和(自身を除く): 21309211524112

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 223939, 301123, 447878, 602246, 895756, 1204492, 1791512, 2408984, 3583024, 4254841, 4817968, 5721337, 8509682, 11442674, 17019364, 22885348, 34038728, 45770696, 68077456, 91541392, 67433183497, 134866366994, 269732733988, 539465467976, 1078930935952, 1281230486443, 2562460972886, 5124921945772, 10249843891544, 20499687783088]

約数ペア:

[(1, 20499687783088), (2, 10249843891544), (4, 5124921945772), (8, 2562460972886), (16, 1281230486443), (19, 1078930935952), (38, 539465467976), (76, 269732733988), (152, 134866366994), (304, 67433183497), (223939, 91541392), (301123, 68077456), (447878, 45770696), (602246, 34038728), (895756, 22885348), (1204492, 17019364), (1791512, 11442674), (2408984, 8509682), (3583024, 5721337), (4254841, 4817968)]