20193657957

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{370193}}^1$

素因数の和:370258

約数の個数: 48

約数和(自身を含む): 34650158400

約数和(自身を除く): 14456500443

約数列:

[1, 3, 9, 11, 19, 29, 33, 57, 87, 99, 171, 209, 261, 319, 551, 627, 957, 1653, 1881, 2871, 4959, 6061, 18183, 54549, 370193, 1110579, 3331737, 4072123, 7033667, 10735597, 12216369, 21101001, 32206791, 36649107, 63303003, 77370337, 96620373, 118091567, 203976343, 232111011, 354274701, 611929029, 696333033, 1062824103, 1835787087, 2243739773, 6731219319, 20193657957]

約数ペア:

[(1, 20193657957), (3, 6731219319), (9, 2243739773), (11, 1835787087), (19, 1062824103), (29, 696333033), (33, 611929029), (57, 354274701), (87, 232111011), (99, 203976343), (171, 118091567), (209, 96620373), (261, 77370337), (319, 63303003), (551, 36649107), (627, 32206791), (957, 21101001), (1653, 12216369), (1881, 10735597), (2871, 7033667), (4959, 4072123), (6061, 3331737), (18183, 1110579), (54549, 370193)]