20197241376

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{65521}}^1$

素因数の和:65579

約数の個数: 144

約数和(自身を含む): 60432251040

約数和(自身を除く): 40235009664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 76, 78, 96, 104, 114, 152, 156, 169, 208, 228, 247, 304, 312, 338, 416, 456, 494, 507, 608, 624, 676, 741, 912, 988, 1014, 1248, 1352, 1482, 1824, 1976, 2028, 2704, 2964, 3211, 3952, 4056, 5408, 5928, 6422, 7904, 8112, 9633, 11856, 12844, 16224, 19266, 23712, 25688, 38532, 51376, 65521, 77064, 102752, 131042, 154128, 196563, 262084, 308256, 393126, 524168, 786252, 851773, 1048336, 1244899, 1572504, 1703546, 2096672, 2489798, 2555319, 3145008, 3407092, 3734697, 4979596, 5110638, 6290016, 6814184, 7469394, 9959192, 10221276, 11073049, 13628368, 14938788, 16183687, 19918384, 20442552, 22146098, 27256736, 29877576, 32367374, 33219147, 39836768, 40885104, 44292196, 48551061, 59755152, 64734748, 66438294, 81770208, 88584392, 97102122, 119510304, 129469496, 132876588, 177168784, 194204244, 210387931, 258938992, 265753176, 354337568, 388408488, 420775862, 517877984, 531506352, 631163793, 776816976, 841551724, 1063012704, 1262327586, 1553633952, 1683103448, 2524655172, 3366206896, 5049310344, 6732413792, 10098620688, 20197241376]

約数ペア:

[(1, 20197241376), (2, 10098620688), (3, 6732413792), (4, 5049310344), (6, 3366206896), (8, 2524655172), (12, 1683103448), (13, 1553633952), (16, 1262327586), (19, 1063012704), (24, 841551724), (26, 776816976), (32, 631163793), (38, 531506352), (39, 517877984), (48, 420775862), (52, 388408488), (57, 354337568), (76, 265753176), (78, 258938992), (96, 210387931), (104, 194204244), (114, 177168784), (152, 132876588), (156, 129469496), (169, 119510304), (208, 97102122), (228, 88584392), (247, 81770208), (304, 66438294), (312, 64734748), (338, 59755152), (416, 48551061), (456, 44292196), (494, 40885104), (507, 39836768), (608, 33219147), (624, 32367374), (676, 29877576), (741, 27256736), (912, 22146098), (988, 20442552), (1014, 19918384), (1248, 16183687), (1352, 14938788), (1482, 13628368), (1824, 11073049), (1976, 10221276), (2028, 9959192), (2704, 7469394), (2964, 6814184), (3211, 6290016), (3952, 5110638), (4056, 4979596), (5408, 3734697), (5928, 3407092), (6422, 3145008), (7904, 2555319), (8112, 2489798), (9633, 2096672), (11856, 1703546), (12844, 1572504), (16224, 1244899), (19266, 1048336), (23712, 851773), (25688, 786252), (38532, 524168), (51376, 393126), (65521, 308256), (77064, 262084), (102752, 196563), (131042, 154128)]