20502784

素因数分解:

$2^8\times {\mathrm{283}}^2$

素因数の和:582

約数の個数: 27

約数和(自身を含む): 41070603

約数和(自身を除く): 20567819

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 283, 566, 1132, 2264, 4528, 9056, 18112, 36224, 72448, 80089, 160178, 320356, 640712, 1281424, 2562848, 5125696, 10251392, 20502784]

約数ペア:

[(1, 20502784), (2, 10251392), (4, 5125696), (8, 2562848), (16, 1281424), (32, 640712), (64, 320356), (128, 160178), (256, 80089), (283, 72448), (566, 36224), (1132, 18112), (2264, 9056)]