20479808

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{4507}}^1$

素因数の和:4590

約数の個数: 28

約数和(自身を含む): 41221152

約数和(自身を除く): 20741344

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4507, 4544, 9014, 18028, 36056, 72112, 144224, 288448, 319997, 639994, 1279988, 2559976, 5119952, 10239904, 20479808]

約数ペア:

[(1, 20479808), (2, 10239904), (4, 5119952), (8, 2559976), (16, 1279988), (32, 639994), (64, 319997), (71, 288448), (142, 144224), (284, 72112), (568, 36056), (1136, 18028), (2272, 9014), (4507, 4544)]