20749344

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1$

素因数の和:439

約数の個数: 144

約数和(自身を含む): 69291936

約数和(自身を除く): 48542592

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 49, 56, 66, 77, 84, 88, 96, 98, 112, 132, 147, 154, 168, 176, 196, 224, 231, 264, 294, 308, 336, 352, 392, 401, 462, 528, 539, 588, 616, 672, 784, 802, 924, 1056, 1078, 1176, 1203, 1232, 1568, 1604, 1617, 1848, 2156, 2352, 2406, 2464, 2807, 3208, 3234, 3696, 4312, 4411, 4704, 4812, 5614, 6416, 6468, 7392, 8421, 8624, 8822, 9624, 11228, 12832, 12936, 13233, 16842, 17248, 17644, 19248, 19649, 22456, 25872, 26466, 30877, 33684, 35288, 38496, 39298, 44912, 51744, 52932, 58947, 61754, 67368, 70576, 78596, 89824, 92631, 105864, 117894, 123508, 134736, 141152, 157192, 185262, 211728, 216139, 235788, 247016, 269472, 314384, 370524, 423456, 432278, 471576, 494032, 628768, 648417, 741048, 864556, 943152, 988064, 1296834, 1482096, 1729112, 1886304, 2593668, 2964192, 3458224, 5187336, 6916448, 10374672, 20749344]

約数ペア:

[(1, 20749344), (2, 10374672), (3, 6916448), (4, 5187336), (6, 3458224), (7, 2964192), (8, 2593668), (11, 1886304), (12, 1729112), (14, 1482096), (16, 1296834), (21, 988064), (22, 943152), (24, 864556), (28, 741048), (32, 648417), (33, 628768), (42, 494032), (44, 471576), (48, 432278), (49, 423456), (56, 370524), (66, 314384), (77, 269472), (84, 247016), (88, 235788), (96, 216139), (98, 211728), (112, 185262), (132, 157192), (147, 141152), (154, 134736), (168, 123508), (176, 117894), (196, 105864), (224, 92631), (231, 89824), (264, 78596), (294, 70576), (308, 67368), (336, 61754), (352, 58947), (392, 52932), (401, 51744), (462, 44912), (528, 39298), (539, 38496), (588, 35288), (616, 33684), (672, 30877), (784, 26466), (802, 25872), (924, 22456), (1056, 19649), (1078, 19248), (1176, 17644), (1203, 17248), (1232, 16842), (1568, 13233), (1604, 12936), (1617, 12832), (1848, 11228), (2156, 9624), (2352, 8822), (2406, 8624), (2464, 8421), (2807, 7392), (3208, 6468), (3234, 6416), (3696, 5614), (4312, 4812), (4411, 4704)]