20459712

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1171}}^1$

素因数の和:1206

約数の個数: 112

約数和(自身を含む): 66682112

約数和(自身を除く): 46222400

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 91, 96, 104, 112, 156, 168, 182, 192, 208, 224, 273, 312, 336, 364, 416, 448, 546, 624, 672, 728, 832, 1092, 1171, 1248, 1344, 1456, 2184, 2342, 2496, 2912, 3513, 4368, 4684, 5824, 7026, 8197, 8736, 9368, 14052, 15223, 16394, 17472, 18736, 24591, 28104, 30446, 32788, 37472, 45669, 49182, 56208, 60892, 65576, 74944, 91338, 98364, 106561, 112416, 121784, 131152, 182676, 196728, 213122, 224832, 243568, 262304, 319683, 365352, 393456, 426244, 487136, 524608, 639366, 730704, 786912, 852488, 974272, 1278732, 1461408, 1573824, 1704976, 2557464, 2922816, 3409952, 5114928, 6819904, 10229856, 20459712]

約数ペア:

[(1, 20459712), (2, 10229856), (3, 6819904), (4, 5114928), (6, 3409952), (7, 2922816), (8, 2557464), (12, 1704976), (13, 1573824), (14, 1461408), (16, 1278732), (21, 974272), (24, 852488), (26, 786912), (28, 730704), (32, 639366), (39, 524608), (42, 487136), (48, 426244), (52, 393456), (56, 365352), (64, 319683), (78, 262304), (84, 243568), (91, 224832), (96, 213122), (104, 196728), (112, 182676), (156, 131152), (168, 121784), (182, 112416), (192, 106561), (208, 98364), (224, 91338), (273, 74944), (312, 65576), (336, 60892), (364, 56208), (416, 49182), (448, 45669), (546, 37472), (624, 32788), (672, 30446), (728, 28104), (832, 24591), (1092, 18736), (1171, 17472), (1248, 16394), (1344, 15223), (1456, 14052), (2184, 9368), (2342, 8736), (2496, 8197), (2912, 7026), (3513, 5824), (4368, 4684)]