20539311888

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{321007}}^1$

素因数の和:321092

約数の個数: 80

約数和(自身を含む): 56045428736

約数和(自身を除く): 35506116848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 43, 48, 62, 86, 93, 124, 129, 172, 186, 248, 258, 344, 372, 496, 516, 688, 744, 1032, 1333, 1488, 2064, 2666, 3999, 5332, 7998, 10664, 15996, 21328, 31992, 63984, 321007, 642014, 963021, 1284028, 1926042, 2568056, 3852084, 5136112, 7704168, 9951217, 13803301, 15408336, 19902434, 27606602, 29853651, 39804868, 41409903, 55213204, 59707302, 79609736, 82819806, 110426408, 119414604, 159219472, 165639612, 220852816, 238829208, 331279224, 427902331, 477658416, 662558448, 855804662, 1283706993, 1711609324, 2567413986, 3423218648, 5134827972, 6846437296, 10269655944, 20539311888]

約数ペア:

[(1, 20539311888), (2, 10269655944), (3, 6846437296), (4, 5134827972), (6, 3423218648), (8, 2567413986), (12, 1711609324), (16, 1283706993), (24, 855804662), (31, 662558448), (43, 477658416), (48, 427902331), (62, 331279224), (86, 238829208), (93, 220852816), (124, 165639612), (129, 159219472), (172, 119414604), (186, 110426408), (248, 82819806), (258, 79609736), (344, 59707302), (372, 55213204), (496, 41409903), (516, 39804868), (688, 29853651), (744, 27606602), (1032, 19902434), (1333, 15408336), (1488, 13803301), (2064, 9951217), (2666, 7704168), (3999, 5136112), (5332, 3852084), (7998, 2568056), (10664, 1926042), (15996, 1284028), (21328, 963021), (31992, 642014), (63984, 321007)]