20017997573

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 25096780800

約数和(自身を除く): 5078783227

約数列:

[1, 7, 17, 97, 103, 113, 119, 149, 679, 721, 791, 1043, 1649, 1751, 1921, 2533, 9991, 10961, 11543, 11639, 12257, 13447, 14453, 15347, 16837, 17731, 69937, 76727, 81473, 101171, 107429, 117859, 169847, 186337, 197863, 245701, 260899, 286229, 1128983, 1188929, 1304359, 1385041, 1488659, 1633189, 1719907, 1734211, 1826293, 2003603, 7902881, 10420613, 11432323, 12139477, 19192711, 25307203, 27764213, 29481587, 134348977, 168218467, 177150421, 194349491, 206371109, 1177529269, 2859713939, 20017997573]

約数ペア:

[(1, 20017997573), (7, 2859713939), (17, 1177529269), (97, 206371109), (103, 194349491), (113, 177150421), (119, 168218467), (149, 134348977), (679, 29481587), (721, 27764213), (791, 25307203), (1043, 19192711), (1649, 12139477), (1751, 11432323), (1921, 10420613), (2533, 7902881), (9991, 2003603), (10961, 1826293), (11543, 1734211), (11639, 1719907), (12257, 1633189), (13447, 1488659), (14453, 1385041), (15347, 1304359), (16837, 1188929), (17731, 1128983), (69937, 286229), (76727, 260899), (81473, 245701), (101171, 197863), (107429, 186337), (117859, 169847)]