20235512136

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{27953}}^1$

素因数の和:28139

約数の個数: 128

約数和(自身を含む): 60112281600

約数和(自身を除く): 39876769464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 139, 168, 186, 217, 248, 278, 372, 417, 434, 556, 651, 744, 834, 868, 973, 1112, 1302, 1668, 1736, 1946, 2604, 2919, 3336, 3892, 4309, 5208, 5838, 7784, 8618, 11676, 12927, 17236, 23352, 25854, 27953, 30163, 34472, 51708, 55906, 60326, 83859, 90489, 103416, 111812, 120652, 167718, 180978, 195671, 223624, 241304, 335436, 361956, 391342, 587013, 670872, 723912, 782684, 866543, 1174026, 1565368, 1733086, 2348052, 2599629, 3466172, 3885467, 4696104, 5199258, 6065801, 6932344, 7770934, 10398516, 11656401, 12131602, 15541868, 18197403, 20797032, 23312802, 24263204, 27198269, 31083736, 36394806, 46625604, 48526408, 54396538, 72789612, 81594807, 93251208, 108793076, 120449477, 145579224, 163189614, 217586152, 240898954, 326379228, 361348431, 481797908, 652758456, 722696862, 843146339, 963595816, 1445393724, 1686292678, 2529439017, 2890787448, 3372585356, 5058878034, 6745170712, 10117756068, 20235512136]

約数ペア:

[(1, 20235512136), (2, 10117756068), (3, 6745170712), (4, 5058878034), (6, 3372585356), (7, 2890787448), (8, 2529439017), (12, 1686292678), (14, 1445393724), (21, 963595816), (24, 843146339), (28, 722696862), (31, 652758456), (42, 481797908), (56, 361348431), (62, 326379228), (84, 240898954), (93, 217586152), (124, 163189614), (139, 145579224), (168, 120449477), (186, 108793076), (217, 93251208), (248, 81594807), (278, 72789612), (372, 54396538), (417, 48526408), (434, 46625604), (556, 36394806), (651, 31083736), (744, 27198269), (834, 24263204), (868, 23312802), (973, 20797032), (1112, 18197403), (1302, 15541868), (1668, 12131602), (1736, 11656401), (1946, 10398516), (2604, 7770934), (2919, 6932344), (3336, 6065801), (3892, 5199258), (4309, 4696104), (5208, 3885467), (5838, 3466172), (7784, 2599629), (8618, 2348052), (11676, 1733086), (12927, 1565368), (17236, 1174026), (23352, 866543), (25854, 782684), (27953, 723912), (30163, 670872), (34472, 587013), (51708, 391342), (55906, 361956), (60326, 335436), (83859, 241304), (90489, 223624), (103416, 195671), (111812, 180978), (120652, 167718)]