20127920449

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{6803}}^1$

素因数の和:6938

約数の個数: 48

約数和(自身を含む): 25938589824

約数和(自身を除く): 5810669375

約数列:

[1, 7, 13, 41, 61, 91, 169, 287, 427, 533, 793, 1183, 2501, 3731, 5551, 6803, 6929, 10309, 17507, 32513, 47621, 48503, 72163, 88439, 227591, 278923, 414983, 422669, 619073, 1149707, 1952461, 2904881, 2958683, 3625999, 5394779, 8047949, 17014303, 25381993, 37763453, 47137987, 70132127, 119100121, 221185939, 329965909, 490924889, 1548301573, 2875417207, 20127920449]

約数ペア:

[(1, 20127920449), (7, 2875417207), (13, 1548301573), (41, 490924889), (61, 329965909), (91, 221185939), (169, 119100121), (287, 70132127), (427, 47137987), (533, 37763453), (793, 25381993), (1183, 17014303), (2501, 8047949), (3731, 5394779), (5551, 3625999), (6803, 2958683), (6929, 2904881), (10309, 1952461), (17507, 1149707), (32513, 619073), (47621, 422669), (48503, 414983), (72163, 278923), (88439, 227591)]