20741792512

素因数分解:

$2^8\times 7^2\times {\mathrm{73}}^1\times {\mathrm{22651}}^1$

素因数の和:22754

約数の個数: 108

約数和(自身を含む): 48824075496

約数和(自身を除く): 28082282984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 73, 98, 112, 128, 146, 196, 224, 256, 292, 392, 448, 511, 584, 784, 896, 1022, 1168, 1568, 1792, 2044, 2336, 3136, 3577, 4088, 4672, 6272, 7154, 8176, 9344, 12544, 14308, 16352, 18688, 22651, 28616, 32704, 45302, 57232, 65408, 90604, 114464, 130816, 158557, 181208, 228928, 317114, 362416, 457856, 634228, 724832, 915712, 1109899, 1268456, 1449664, 1653523, 2219798, 2536912, 2899328, 3307046, 4439596, 5073824, 5798656, 6614092, 8879192, 10147648, 11574661, 13228184, 17758384, 20295296, 23149322, 26456368, 35516768, 40590592, 46298644, 52912736, 71033536, 81022627, 92597288, 105825472, 142067072, 162045254, 185194576, 211650944, 284134144, 324090508, 370389152, 423301888, 648181016, 740778304, 1296362032, 1481556608, 2592724064, 2963113216, 5185448128, 10370896256, 20741792512]

約数ペア:

[(1, 20741792512), (2, 10370896256), (4, 5185448128), (7, 2963113216), (8, 2592724064), (14, 1481556608), (16, 1296362032), (28, 740778304), (32, 648181016), (49, 423301888), (56, 370389152), (64, 324090508), (73, 284134144), (98, 211650944), (112, 185194576), (128, 162045254), (146, 142067072), (196, 105825472), (224, 92597288), (256, 81022627), (292, 71033536), (392, 52912736), (448, 46298644), (511, 40590592), (584, 35516768), (784, 26456368), (896, 23149322), (1022, 20295296), (1168, 17758384), (1568, 13228184), (1792, 11574661), (2044, 10147648), (2336, 8879192), (3136, 6614092), (3577, 5798656), (4088, 5073824), (4672, 4439596), (6272, 3307046), (7154, 2899328), (8176, 2536912), (9344, 2219798), (12544, 1653523), (14308, 1449664), (16352, 1268456), (18688, 1109899), (22651, 915712), (28616, 724832), (32704, 634228), (45302, 457856), (57232, 362416), (65408, 317114), (90604, 228928), (114464, 181208), (130816, 158557)]