20808768456

素因数分解:

$2^3\times 3^6\times 7^2\times {\mathrm{72817}}^1$

素因数の和:72855

約数の個数: 168

約数和(自身を含む): 68049513270

約数和(自身を除く): 47240744814

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 81, 84, 98, 108, 126, 147, 162, 168, 189, 196, 216, 243, 252, 294, 324, 378, 392, 441, 486, 504, 567, 588, 648, 729, 756, 882, 972, 1134, 1176, 1323, 1458, 1512, 1701, 1764, 1944, 2268, 2646, 2916, 3402, 3528, 3969, 4536, 5103, 5292, 5832, 6804, 7938, 10206, 10584, 11907, 13608, 15876, 20412, 23814, 31752, 35721, 40824, 47628, 71442, 72817, 95256, 142884, 145634, 218451, 285768, 291268, 436902, 509719, 582536, 655353, 873804, 1019438, 1310706, 1529157, 1747608, 1966059, 2038876, 2621412, 3058314, 3568033, 3932118, 4077752, 4587471, 5242824, 5898177, 6116628, 7136066, 7864236, 9174942, 10704099, 11796354, 12233256, 13762413, 14272132, 15728472, 17694531, 18349884, 21408198, 23592708, 27524826, 28544264, 32112297, 35389062, 36699768, 41287239, 42816396, 47185416, 53083593, 55049652, 64224594, 70778124, 82574478, 85632792, 96336891, 106167186, 110099304, 123861717, 128449188, 141556248, 165148956, 192673782, 212334372, 247723434, 256898376, 289010673, 330297912, 371585151, 385347564, 424668744, 495446868, 578021346, 743170302, 770695128, 867032019, 990893736, 1156042692, 1486340604, 1734064038, 2312085384, 2601096057, 2972681208, 3468128076, 5202192114, 6936256152, 10404384228, 20808768456]

約数ペア:

[(1, 20808768456), (2, 10404384228), (3, 6936256152), (4, 5202192114), (6, 3468128076), (7, 2972681208), (8, 2601096057), (9, 2312085384), (12, 1734064038), (14, 1486340604), (18, 1156042692), (21, 990893736), (24, 867032019), (27, 770695128), (28, 743170302), (36, 578021346), (42, 495446868), (49, 424668744), (54, 385347564), (56, 371585151), (63, 330297912), (72, 289010673), (81, 256898376), (84, 247723434), (98, 212334372), (108, 192673782), (126, 165148956), (147, 141556248), (162, 128449188), (168, 123861717), (189, 110099304), (196, 106167186), (216, 96336891), (243, 85632792), (252, 82574478), (294, 70778124), (324, 64224594), (378, 55049652), (392, 53083593), (441, 47185416), (486, 42816396), (504, 41287239), (567, 36699768), (588, 35389062), (648, 32112297), (729, 28544264), (756, 27524826), (882, 23592708), (972, 21408198), (1134, 18349884), (1176, 17694531), (1323, 15728472), (1458, 14272132), (1512, 13762413), (1701, 12233256), (1764, 11796354), (1944, 10704099), (2268, 9174942), (2646, 7864236), (2916, 7136066), (3402, 6116628), (3528, 5898177), (3969, 5242824), (4536, 4587471), (5103, 4077752), (5292, 3932118), (5832, 3568033), (6804, 3058314), (7938, 2621412), (10206, 2038876), (10584, 1966059), (11907, 1747608), (13608, 1529157), (15876, 1310706), (20412, 1019438), (23814, 873804), (31752, 655353), (35721, 582536), (40824, 509719), (47628, 436902), (71442, 291268), (72817, 285768), (95256, 218451), (142884, 145634)]