20545308

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:656

約数の個数: 108

約数和(自身を含む): 63696360

約数和(自身を除く): 43151052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 49, 57, 63, 76, 84, 98, 114, 126, 133, 147, 171, 196, 228, 252, 266, 294, 342, 399, 441, 532, 588, 613, 684, 798, 882, 931, 1197, 1226, 1596, 1764, 1839, 1862, 2394, 2452, 2793, 3678, 3724, 4291, 4788, 5517, 5586, 7356, 8379, 8582, 11034, 11172, 11647, 12873, 16758, 17164, 22068, 23294, 25746, 30037, 33516, 34941, 38619, 46588, 51492, 60074, 69882, 77238, 81529, 90111, 104823, 120148, 139764, 154476, 163058, 180222, 209646, 244587, 270333, 326116, 360444, 419292, 489174, 540666, 570703, 733761, 978348, 1081332, 1141406, 1467522, 1712109, 2282812, 2935044, 3424218, 5136327, 6848436, 10272654, 20545308]

約数ペア:

[(1, 20545308), (2, 10272654), (3, 6848436), (4, 5136327), (6, 3424218), (7, 2935044), (9, 2282812), (12, 1712109), (14, 1467522), (18, 1141406), (19, 1081332), (21, 978348), (28, 733761), (36, 570703), (38, 540666), (42, 489174), (49, 419292), (57, 360444), (63, 326116), (76, 270333), (84, 244587), (98, 209646), (114, 180222), (126, 163058), (133, 154476), (147, 139764), (171, 120148), (196, 104823), (228, 90111), (252, 81529), (266, 77238), (294, 69882), (342, 60074), (399, 51492), (441, 46588), (532, 38619), (588, 34941), (613, 33516), (684, 30037), (798, 25746), (882, 23294), (931, 22068), (1197, 17164), (1226, 16758), (1596, 12873), (1764, 11647), (1839, 11172), (1862, 11034), (2394, 8582), (2452, 8379), (2793, 7356), (3678, 5586), (3724, 5517), (4291, 4788)]