20804352

素因数分解:

$2^8\times 3^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 56120064

約数和(自身を除く): 35315712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 103, 128, 192, 206, 256, 263, 309, 384, 412, 526, 618, 768, 789, 824, 1052, 1236, 1578, 1648, 2104, 2472, 3156, 3296, 4208, 4944, 6312, 6592, 8416, 9888, 12624, 13184, 16832, 19776, 25248, 26368, 27089, 33664, 39552, 50496, 54178, 67328, 79104, 81267, 100992, 108356, 162534, 201984, 216712, 325068, 433424, 650136, 866848, 1300272, 1733696, 2600544, 3467392, 5201088, 6934784, 10402176, 20804352]

約数ペア:

[(1, 20804352), (2, 10402176), (3, 6934784), (4, 5201088), (6, 3467392), (8, 2600544), (12, 1733696), (16, 1300272), (24, 866848), (32, 650136), (48, 433424), (64, 325068), (96, 216712), (103, 201984), (128, 162534), (192, 108356), (206, 100992), (256, 81267), (263, 79104), (309, 67328), (384, 54178), (412, 50496), (526, 39552), (618, 33664), (768, 27089), (789, 26368), (824, 25248), (1052, 19776), (1236, 16832), (1578, 13184), (1648, 12624), (2104, 9888), (2472, 8416), (3156, 6592), (3296, 6312), (4208, 4944)]