20055147819

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{6863}}^1$

素因数の和:7176

約数の個数: 48

約数和(自身を含む): 31575278592

約数和(自身を除く): 11520130773

約数列:

[1, 3, 7, 21, 49, 103, 147, 193, 309, 579, 721, 1351, 2163, 4053, 5047, 6863, 9457, 15141, 19879, 20589, 28371, 48041, 59637, 139153, 144123, 336287, 417459, 706889, 974071, 1008861, 1324559, 2120667, 2922213, 3973677, 4948223, 9271913, 14844669, 27815739, 34637561, 64903391, 103912683, 136429577, 194710173, 409288731, 955007039, 2865021117, 6685049273, 20055147819]

約数ペア:

[(1, 20055147819), (3, 6685049273), (7, 2865021117), (21, 955007039), (49, 409288731), (103, 194710173), (147, 136429577), (193, 103912683), (309, 64903391), (579, 34637561), (721, 27815739), (1351, 14844669), (2163, 9271913), (4053, 4948223), (5047, 3973677), (6863, 2922213), (9457, 2120667), (15141, 1324559), (19879, 1008861), (20589, 974071), (28371, 706889), (48041, 417459), (59637, 336287), (139153, 144123)]