20339648

素因数分解:

$2^6\times 7^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:649

約数の個数: 56

約数和(自身を含む): 46768512

約数和(自身を除く): 26428864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 166, 224, 332, 448, 547, 581, 664, 1094, 1162, 1328, 2188, 2324, 2656, 3829, 4376, 4648, 5312, 7658, 8752, 9296, 15316, 17504, 18592, 30632, 35008, 37184, 45401, 61264, 90802, 122528, 181604, 245056, 317807, 363208, 635614, 726416, 1271228, 1452832, 2542456, 2905664, 5084912, 10169824, 20339648]

約数ペア:

[(1, 20339648), (2, 10169824), (4, 5084912), (7, 2905664), (8, 2542456), (14, 1452832), (16, 1271228), (28, 726416), (32, 635614), (56, 363208), (64, 317807), (83, 245056), (112, 181604), (166, 122528), (224, 90802), (332, 61264), (448, 45401), (547, 37184), (581, 35008), (664, 30632), (1094, 18592), (1162, 17504), (1328, 15316), (2188, 9296), (2324, 8752), (2656, 7658), (3829, 5312), (4376, 4648)]