20129642816

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:592

約数の個数: 112

約数和(自身を含む): 41279673600

約数和(自身を除く): 21150030784

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 113, 142, 197, 199, 226, 284, 394, 398, 452, 568, 788, 796, 904, 1136, 1576, 1592, 1808, 2272, 3152, 3184, 3616, 4544, 6304, 6368, 7232, 8023, 12608, 12736, 13987, 14129, 16046, 22261, 22487, 27974, 28258, 32092, 39203, 44522, 44974, 55948, 56516, 64184, 78406, 89044, 89948, 111896, 113032, 128368, 156812, 178088, 179896, 223792, 226064, 256736, 313624, 356176, 359792, 447584, 452128, 513472, 627248, 712352, 719584, 895168, 904256, 1254496, 1424704, 1439168, 1580531, 1596577, 2508992, 2783413, 3161062, 3193154, 4429939, 5566826, 6322124, 6386308, 8859878, 11133652, 12644248, 12772616, 17719756, 22267304, 25288496, 25545232, 35439512, 44534608, 50576992, 51090464, 70879024, 89069216, 101153984, 102180928, 141758048, 178138432, 283516096, 314525669, 629051338, 1258102676, 2516205352, 5032410704, 10064821408, 20129642816]

約数ペア:

[(1, 20129642816), (2, 10064821408), (4, 5032410704), (8, 2516205352), (16, 1258102676), (32, 629051338), (64, 314525669), (71, 283516096), (113, 178138432), (142, 141758048), (197, 102180928), (199, 101153984), (226, 89069216), (284, 70879024), (394, 51090464), (398, 50576992), (452, 44534608), (568, 35439512), (788, 25545232), (796, 25288496), (904, 22267304), (1136, 17719756), (1576, 12772616), (1592, 12644248), (1808, 11133652), (2272, 8859878), (3152, 6386308), (3184, 6322124), (3616, 5566826), (4544, 4429939), (6304, 3193154), (6368, 3161062), (7232, 2783413), (8023, 2508992), (12608, 1596577), (12736, 1580531), (13987, 1439168), (14129, 1424704), (16046, 1254496), (22261, 904256), (22487, 895168), (27974, 719584), (28258, 712352), (32092, 627248), (39203, 513472), (44522, 452128), (44974, 447584), (55948, 359792), (56516, 356176), (64184, 313624), (78406, 256736), (89044, 226064), (89948, 223792), (111896, 179896), (113032, 178088), (128368, 156812)]