20415040912

素因数分解:

$2^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{419}}^1\times {\mathrm{2143}}^1$

素因数の和:2613

約数の個数: 120

約数和(自身を含む): 47734444800

約数和(自身を除く): 27319403888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 49, 56, 58, 98, 112, 116, 196, 203, 232, 392, 406, 419, 464, 784, 812, 838, 1421, 1624, 1676, 2143, 2842, 2933, 3248, 3352, 4286, 5684, 5866, 6704, 8572, 11368, 11732, 12151, 15001, 17144, 20531, 22736, 23464, 24302, 30002, 34288, 41062, 46928, 48604, 60004, 62147, 82124, 85057, 97208, 105007, 120008, 124294, 164248, 170114, 194416, 210014, 240016, 248588, 328496, 340228, 420028, 435029, 497176, 595399, 680456, 840056, 870058, 897917, 994352, 1190798, 1360912, 1680112, 1740116, 1795834, 2381596, 3045203, 3480232, 3591668, 4763192, 6090406, 6285419, 6960464, 7183336, 9526384, 12180812, 12570838, 14366672, 24361624, 25141676, 26039593, 43997933, 48723248, 50283352, 52079186, 87995866, 100566704, 104158372, 175991732, 182277151, 208316744, 351983464, 364554302, 416633488, 703966928, 729108604, 1275940057, 1458217208, 2551880114, 2916434416, 5103760228, 10207520456, 20415040912]

約数ペア:

[(1, 20415040912), (2, 10207520456), (4, 5103760228), (7, 2916434416), (8, 2551880114), (14, 1458217208), (16, 1275940057), (28, 729108604), (29, 703966928), (49, 416633488), (56, 364554302), (58, 351983464), (98, 208316744), (112, 182277151), (116, 175991732), (196, 104158372), (203, 100566704), (232, 87995866), (392, 52079186), (406, 50283352), (419, 48723248), (464, 43997933), (784, 26039593), (812, 25141676), (838, 24361624), (1421, 14366672), (1624, 12570838), (1676, 12180812), (2143, 9526384), (2842, 7183336), (2933, 6960464), (3248, 6285419), (3352, 6090406), (4286, 4763192), (5684, 3591668), (5866, 3480232), (6704, 3045203), (8572, 2381596), (11368, 1795834), (11732, 1740116), (12151, 1680112), (15001, 1360912), (17144, 1190798), (20531, 994352), (22736, 897917), (23464, 870058), (24302, 840056), (30002, 680456), (34288, 595399), (41062, 497176), (46928, 435029), (48604, 420028), (60004, 340228), (62147, 328496), (82124, 248588), (85057, 240016), (97208, 210014), (105007, 194416), (120008, 170114), (124294, 164248)]