20884087994

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{761}}^1$

素因数の和:996

約数の個数: 128

約数和(自身を含む): 42030213120

約数和(自身を除く): 21146125126

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 83, 113, 133, 154, 166, 209, 226, 266, 418, 581, 761, 791, 913, 1162, 1243, 1463, 1522, 1577, 1582, 1826, 2147, 2486, 2926, 3154, 4294, 5327, 6391, 8371, 8701, 9379, 10654, 11039, 12782, 14459, 15029, 16742, 17347, 17402, 18758, 22078, 23617, 28918, 30058, 34694, 47234, 58597, 63163, 65653, 85993, 101213, 103169, 117194, 121429, 126326, 131306, 159049, 165319, 171986, 178201, 202426, 206338, 242858, 318098, 330638, 356402, 442141, 601951, 694793, 722183, 884282, 945923, 1113343, 1200097, 1203902, 1247407, 1389586, 1444366, 1633867, 1891846, 1960211, 2226686, 2400194, 2494814, 3267734, 3920422, 4863551, 6621461, 7137419, 8400679, 9727102, 11437069, 13201067, 13242922, 13721477, 14274838, 16801358, 17972537, 22874138, 26402134, 27442954, 35945074, 49961933, 78511609, 92407469, 99923866, 125807759, 135610961, 157023218, 184814938, 251615518, 271221922, 549581263, 949276727, 1099162526, 1491720571, 1898553454, 2983441142, 10442043997, 20884087994]

約数ペア:

[(1, 20884087994), (2, 10442043997), (7, 2983441142), (11, 1898553454), (14, 1491720571), (19, 1099162526), (22, 949276727), (38, 549581263), (77, 271221922), (83, 251615518), (113, 184814938), (133, 157023218), (154, 135610961), (166, 125807759), (209, 99923866), (226, 92407469), (266, 78511609), (418, 49961933), (581, 35945074), (761, 27442954), (791, 26402134), (913, 22874138), (1162, 17972537), (1243, 16801358), (1463, 14274838), (1522, 13721477), (1577, 13242922), (1582, 13201067), (1826, 11437069), (2147, 9727102), (2486, 8400679), (2926, 7137419), (3154, 6621461), (4294, 4863551), (5327, 3920422), (6391, 3267734), (8371, 2494814), (8701, 2400194), (9379, 2226686), (10654, 1960211), (11039, 1891846), (12782, 1633867), (14459, 1444366), (15029, 1389586), (16742, 1247407), (17347, 1203902), (17402, 1200097), (18758, 1113343), (22078, 945923), (23617, 884282), (28918, 722183), (30058, 694793), (34694, 601951), (47234, 442141), (58597, 356402), (63163, 330638), (65653, 318098), (85993, 242858), (101213, 206338), (103169, 202426), (117194, 178201), (121429, 171986), (126326, 165319), (131306, 159049)]