20512101519

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{35933}}^1$

素因数の和:36017

約数の個数: 96

約数和(自身を含む): 39553847424

約数和(自身を除く): 19041745905

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 41, 51, 63, 91, 117, 119, 123, 153, 221, 273, 287, 357, 369, 533, 663, 697, 819, 861, 1071, 1547, 1599, 1989, 2091, 2583, 3731, 4641, 4797, 4879, 6273, 9061, 11193, 13923, 14637, 27183, 33579, 35933, 43911, 63427, 81549, 107799, 190281, 251531, 323397, 467129, 570843, 610861, 754593, 1401387, 1473253, 1832583, 2263779, 3269903, 4204161, 4276027, 4419759, 5497749, 7941193, 9809709, 10312771, 12828081, 13259277, 19152289, 23823579, 25045301, 29429127, 30938313, 38484243, 55588351, 57456867, 71470737, 75135903, 92814939, 134066023, 166765053, 172370601, 175317107, 225407709, 325588913, 402198069, 500295159, 525951321, 976766739, 1206594207, 1577853963, 2279122391, 2930300217, 6837367173, 20512101519]

約数ペア:

[(1, 20512101519), (3, 6837367173), (7, 2930300217), (9, 2279122391), (13, 1577853963), (17, 1206594207), (21, 976766739), (39, 525951321), (41, 500295159), (51, 402198069), (63, 325588913), (91, 225407709), (117, 175317107), (119, 172370601), (123, 166765053), (153, 134066023), (221, 92814939), (273, 75135903), (287, 71470737), (357, 57456867), (369, 55588351), (533, 38484243), (663, 30938313), (697, 29429127), (819, 25045301), (861, 23823579), (1071, 19152289), (1547, 13259277), (1599, 12828081), (1989, 10312771), (2091, 9809709), (2583, 7941193), (3731, 5497749), (4641, 4419759), (4797, 4276027), (4879, 4204161), (6273, 3269903), (9061, 2263779), (11193, 1832583), (13923, 1473253), (14637, 1401387), (27183, 754593), (33579, 610861), (35933, 570843), (43911, 467129), (63427, 323397), (81549, 251531), (107799, 190281)]