20506544

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{4987}}^1$

素因数の和:5252

約数の個数: 20

約数和(自身を含む): 39894024

約数和(自身を除く): 19387480

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 4987, 9974, 19948, 39896, 79792, 1281659, 2563318, 5126636, 10253272, 20506544]

約数ペア:

[(1, 20506544), (2, 10253272), (4, 5126636), (8, 2563318), (16, 1281659), (257, 79792), (514, 39896), (1028, 19948), (2056, 9974), (4112, 4987)]