20216224

素因数分解:

$2^5\times 7^2\times {\mathrm{12893}}^1$

素因数の和:12917

約数の個数: 36

約数和(自身を含む): 46302354

約数和(自身を除く): 26086130

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 12893, 25786, 51572, 90251, 103144, 180502, 206288, 361004, 412576, 631757, 722008, 1263514, 1444016, 2527028, 2888032, 5054056, 10108112, 20216224]

約数ペア:

[(1, 20216224), (2, 10108112), (4, 5054056), (7, 2888032), (8, 2527028), (14, 1444016), (16, 1263514), (28, 722008), (32, 631757), (49, 412576), (56, 361004), (98, 206288), (112, 180502), (196, 103144), (224, 90251), (392, 51572), (784, 25786), (1568, 12893)]