20912127552

素因数分解:

$2^6\times 3^2\times {\mathrm{83}}^1\times {\mathrm{421}}^1\times {\mathrm{1039}}^1$

素因数の和:1561

約数の個数: 168

約数和(自身を含む): 60865633920

約数和(自身を除く): 39953506368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 83, 96, 144, 166, 192, 249, 288, 332, 421, 498, 576, 664, 747, 842, 996, 1039, 1263, 1328, 1494, 1684, 1992, 2078, 2526, 2656, 2988, 3117, 3368, 3789, 3984, 4156, 5052, 5312, 5976, 6234, 6736, 7578, 7968, 8312, 9351, 10104, 11952, 12468, 13472, 15156, 15936, 16624, 18702, 20208, 23904, 24936, 26944, 30312, 33248, 34943, 37404, 40416, 47808, 49872, 60624, 66496, 69886, 74808, 80832, 86237, 99744, 104829, 121248, 139772, 149616, 172474, 199488, 209658, 242496, 258711, 279544, 299232, 314487, 344948, 419316, 437419, 517422, 559088, 598464, 628974, 689896, 776133, 838632, 874838, 1034844, 1118176, 1257948, 1312257, 1379792, 1552266, 1677264, 1749676, 2069688, 2236352, 2515896, 2624514, 2759584, 3104532, 3354528, 3499352, 3936771, 4139376, 5031792, 5249028, 5519168, 6209064, 6709056, 6998704, 7873542, 8278752, 10063584, 10498056, 12418128, 13997408, 15747084, 16557504, 20127168, 20996112, 24836256, 27994816, 31494168, 36305777, 41992224, 49672512, 62988336, 72611554, 83984448, 108917331, 125976672, 145223108, 217834662, 251953344, 290446216, 326751993, 435669324, 580892432, 653503986, 871338648, 1161784864, 1307007972, 1742677296, 2323569728, 2614015944, 3485354592, 5228031888, 6970709184, 10456063776, 20912127552]

約数ペア:

[(1, 20912127552), (2, 10456063776), (3, 6970709184), (4, 5228031888), (6, 3485354592), (8, 2614015944), (9, 2323569728), (12, 1742677296), (16, 1307007972), (18, 1161784864), (24, 871338648), (32, 653503986), (36, 580892432), (48, 435669324), (64, 326751993), (72, 290446216), (83, 251953344), (96, 217834662), (144, 145223108), (166, 125976672), (192, 108917331), (249, 83984448), (288, 72611554), (332, 62988336), (421, 49672512), (498, 41992224), (576, 36305777), (664, 31494168), (747, 27994816), (842, 24836256), (996, 20996112), (1039, 20127168), (1263, 16557504), (1328, 15747084), (1494, 13997408), (1684, 12418128), (1992, 10498056), (2078, 10063584), (2526, 8278752), (2656, 7873542), (2988, 6998704), (3117, 6709056), (3368, 6209064), (3789, 5519168), (3984, 5249028), (4156, 5031792), (5052, 4139376), (5312, 3936771), (5976, 3499352), (6234, 3354528), (6736, 3104532), (7578, 2759584), (7968, 2624514), (8312, 2515896), (9351, 2236352), (10104, 2069688), (11952, 1749676), (12468, 1677264), (13472, 1552266), (15156, 1379792), (15936, 1312257), (16624, 1257948), (18702, 1118176), (20208, 1034844), (23904, 874838), (24936, 838632), (26944, 776133), (30312, 689896), (33248, 628974), (34943, 598464), (37404, 559088), (40416, 517422), (47808, 437419), (49872, 419316), (60624, 344948), (66496, 314487), (69886, 299232), (74808, 279544), (80832, 258711), (86237, 242496), (99744, 209658), (104829, 199488), (121248, 172474), (139772, 149616)]