20140544

素因数分解:

$2^9\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:440

約数の個数: 40

約数和(自身を含む): 40674480

約数和(自身を除く): 20533936

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 256, 278, 283, 512, 556, 566, 1112, 1132, 2224, 2264, 4448, 4528, 8896, 9056, 17792, 18112, 35584, 36224, 39337, 71168, 72448, 78674, 144896, 157348, 314696, 629392, 1258784, 2517568, 5035136, 10070272, 20140544]

約数ペア:

[(1, 20140544), (2, 10070272), (4, 5035136), (8, 2517568), (16, 1258784), (32, 629392), (64, 314696), (128, 157348), (139, 144896), (256, 78674), (278, 72448), (283, 71168), (512, 39337), (556, 36224), (566, 35584), (1112, 18112), (1132, 17792), (2224, 9056), (2264, 8896), (4448, 4528)]