20415136

素因数分解:

$2^5\times 7^1\times {\mathrm{91139}}^1$

素因数の和:91156

約数の個数: 24

約数和(自身を含む): 45934560

約数和(自身を除く): 25519424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 91139, 182278, 364556, 637973, 729112, 1275946, 1458224, 2551892, 2916448, 5103784, 10207568, 20415136]

約数ペア:

[(1, 20415136), (2, 10207568), (4, 5103784), (7, 2916448), (8, 2551892), (14, 1458224), (16, 1275946), (28, 729112), (32, 637973), (56, 364556), (112, 182278), (224, 91139)]