20423872

素因数分解:

$2^6\times 7^1\times {\mathrm{45589}}^1$

素因数の和:45608

約数の個数: 28

約数和(自身を含む): 46319440

約数和(自身を除く): 25895568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 45589, 91178, 182356, 319123, 364712, 638246, 729424, 1276492, 1458848, 2552984, 2917696, 5105968, 10211936, 20423872]

約数ペア:

[(1, 20423872), (2, 10211936), (4, 5105968), (7, 2917696), (8, 2552984), (14, 1458848), (16, 1276492), (28, 729424), (32, 638246), (56, 364712), (64, 319123), (112, 182356), (224, 91178), (448, 45589)]