20831328

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10333}}^1$

素因数の和:10356

約数の個数: 72

約数和(自身を含む): 67708368

約数和(自身を除く): 46877040

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10333, 20666, 30999, 41332, 61998, 72331, 82664, 92997, 123996, 144662, 165328, 185994, 216993, 247992, 289324, 330656, 371988, 433986, 495984, 578648, 650979, 743976, 867972, 991968, 1157296, 1301958, 1487952, 1735944, 2314592, 2603916, 2975904, 3471888, 5207832, 6943776, 10415664, 20831328]

約数ペア:

[(1, 20831328), (2, 10415664), (3, 6943776), (4, 5207832), (6, 3471888), (7, 2975904), (8, 2603916), (9, 2314592), (12, 1735944), (14, 1487952), (16, 1301958), (18, 1157296), (21, 991968), (24, 867972), (28, 743976), (32, 650979), (36, 578648), (42, 495984), (48, 433986), (56, 371988), (63, 330656), (72, 289324), (84, 247992), (96, 216993), (112, 185994), (126, 165328), (144, 144662), (168, 123996), (224, 92997), (252, 82664), (288, 72331), (336, 61998), (504, 41332), (672, 30999), (1008, 20666), (2016, 10333)]