20916224

素因数分解:

$2^{11}\times 7^1\times {\mathrm{1459}}^1$

素因数の和:1488

約数の個数: 48

約数和(自身を含む): 47829600

約数和(自身を除く): 26913376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1459, 1792, 2048, 2918, 3584, 5836, 7168, 10213, 11672, 14336, 20426, 23344, 40852, 46688, 81704, 93376, 163408, 186752, 326816, 373504, 653632, 747008, 1307264, 1494016, 2614528, 2988032, 5229056, 10458112, 20916224]

約数ペア:

[(1, 20916224), (2, 10458112), (4, 5229056), (7, 2988032), (8, 2614528), (14, 1494016), (16, 1307264), (28, 747008), (32, 653632), (56, 373504), (64, 326816), (112, 186752), (128, 163408), (224, 93376), (256, 81704), (448, 46688), (512, 40852), (896, 23344), (1024, 20426), (1459, 14336), (1792, 11672), (2048, 10213), (2918, 7168), (3584, 5836)]