20212147904

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{174773}}^1$

素因数の和:174937

約数の個数: 56

約数和(自身を含む): 43504744080

約数和(自身を除く): 23292596176

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 139, 208, 278, 416, 556, 832, 1112, 1807, 2224, 3614, 4448, 7228, 8896, 14456, 28912, 57824, 115648, 174773, 349546, 699092, 1398184, 2272049, 2796368, 4544098, 5592736, 9088196, 11185472, 18176392, 24293447, 36352784, 48586894, 72705568, 97173788, 145411136, 194347576, 315814811, 388695152, 631629622, 777390304, 1263259244, 1554780608, 2526518488, 5053036976, 10106073952, 20212147904]

約数ペア:

[(1, 20212147904), (2, 10106073952), (4, 5053036976), (8, 2526518488), (13, 1554780608), (16, 1263259244), (26, 777390304), (32, 631629622), (52, 388695152), (64, 315814811), (104, 194347576), (139, 145411136), (208, 97173788), (278, 72705568), (416, 48586894), (556, 36352784), (832, 24293447), (1112, 18176392), (1807, 11185472), (2224, 9088196), (3614, 5592736), (4448, 4544098), (7228, 2796368), (8896, 2272049), (14456, 1398184), (28912, 699092), (57824, 349546), (115648, 174773)]