20729184

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 62979840

約数和(自身を除く): 42250656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 109, 112, 168, 218, 224, 283, 327, 336, 436, 566, 654, 672, 763, 849, 872, 1132, 1308, 1526, 1698, 1744, 1981, 2264, 2289, 2616, 3052, 3396, 3488, 3962, 4528, 4578, 5232, 5943, 6104, 6792, 7924, 9056, 9156, 10464, 11886, 12208, 13584, 15848, 18312, 23772, 24416, 27168, 30847, 31696, 36624, 47544, 61694, 63392, 73248, 92541, 95088, 123388, 185082, 190176, 215929, 246776, 370164, 431858, 493552, 647787, 740328, 863716, 987104, 1295574, 1480656, 1727432, 2591148, 2961312, 3454864, 5182296, 6909728, 10364592, 20729184]

約数ペア:

[(1, 20729184), (2, 10364592), (3, 6909728), (4, 5182296), (6, 3454864), (7, 2961312), (8, 2591148), (12, 1727432), (14, 1480656), (16, 1295574), (21, 987104), (24, 863716), (28, 740328), (32, 647787), (42, 493552), (48, 431858), (56, 370164), (84, 246776), (96, 215929), (109, 190176), (112, 185082), (168, 123388), (218, 95088), (224, 92541), (283, 73248), (327, 63392), (336, 61694), (436, 47544), (566, 36624), (654, 31696), (672, 30847), (763, 27168), (849, 24416), (872, 23772), (1132, 18312), (1308, 15848), (1526, 13584), (1698, 12208), (1744, 11886), (1981, 10464), (2264, 9156), (2289, 9056), (2616, 7924), (3052, 6792), (3396, 6104), (3488, 5943), (3962, 5232), (4528, 4578)]