20135670919

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{64567}}^1$

素因数の和:64759

約数の個数: 32

約数和(自身を含む): 26033817600

約数和(自身を除く): 5898146681

約数列:

[1, 7, 13, 23, 91, 149, 161, 299, 1043, 1937, 2093, 3427, 13559, 23989, 44551, 64567, 311857, 451969, 839371, 1485041, 5875597, 9620483, 10395287, 19305533, 67343381, 125066279, 135138731, 221271109, 875463953, 1548897763, 2876524417, 20135670919]

約数ペア:

[(1, 20135670919), (7, 2876524417), (13, 1548897763), (23, 875463953), (91, 221271109), (149, 135138731), (161, 125066279), (299, 67343381), (1043, 19305533), (1937, 10395287), (2093, 9620483), (3427, 5875597), (13559, 1485041), (23989, 839371), (44551, 451969), (64567, 311857)]