20716416

素因数分解:

$2^7\times 3^2\times 7^2\times {\mathrm{367}}^1$

素因数の和:401

約数の個数: 144

約数和(自身を含む): 69535440

約数和(自身を除く): 48819024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 72, 84, 96, 98, 112, 126, 128, 144, 147, 168, 192, 196, 224, 252, 288, 294, 336, 367, 384, 392, 441, 448, 504, 576, 588, 672, 734, 784, 882, 896, 1008, 1101, 1152, 1176, 1344, 1468, 1568, 1764, 2016, 2202, 2352, 2569, 2688, 2936, 3136, 3303, 3528, 4032, 4404, 4704, 5138, 5872, 6272, 6606, 7056, 7707, 8064, 8808, 9408, 10276, 11744, 13212, 14112, 15414, 17616, 17983, 18816, 20552, 23121, 23488, 26424, 28224, 30828, 35232, 35966, 41104, 46242, 46976, 52848, 53949, 56448, 61656, 70464, 71932, 82208, 92484, 105696, 107898, 123312, 140928, 143864, 161847, 164416, 184968, 211392, 215796, 246624, 287728, 323694, 328832, 369936, 422784, 431592, 493248, 575456, 647388, 739872, 863184, 986496, 1150912, 1294776, 1479744, 1726368, 2301824, 2589552, 2959488, 3452736, 5179104, 6905472, 10358208, 20716416]

約数ペア:

[(1, 20716416), (2, 10358208), (3, 6905472), (4, 5179104), (6, 3452736), (7, 2959488), (8, 2589552), (9, 2301824), (12, 1726368), (14, 1479744), (16, 1294776), (18, 1150912), (21, 986496), (24, 863184), (28, 739872), (32, 647388), (36, 575456), (42, 493248), (48, 431592), (49, 422784), (56, 369936), (63, 328832), (64, 323694), (72, 287728), (84, 246624), (96, 215796), (98, 211392), (112, 184968), (126, 164416), (128, 161847), (144, 143864), (147, 140928), (168, 123312), (192, 107898), (196, 105696), (224, 92484), (252, 82208), (288, 71932), (294, 70464), (336, 61656), (367, 56448), (384, 53949), (392, 52848), (441, 46976), (448, 46242), (504, 41104), (576, 35966), (588, 35232), (672, 30828), (734, 28224), (784, 26424), (882, 23488), (896, 23121), (1008, 20552), (1101, 18816), (1152, 17983), (1176, 17616), (1344, 15414), (1468, 14112), (1568, 13212), (1764, 11744), (2016, 10276), (2202, 9408), (2352, 8808), (2569, 8064), (2688, 7707), (2936, 7056), (3136, 6606), (3303, 6272), (3528, 5872), (4032, 5138), (4404, 4704)]