20827408

素因数分解:

$2^4\times 7^1\times {\mathrm{185959}}^1$

素因数の和:185974

約数の個数: 20

約数和(自身を含む): 46118080

約数和(自身を除く): 25290672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 185959, 371918, 743836, 1301713, 1487672, 2603426, 2975344, 5206852, 10413704, 20827408]

約数ペア:

[(1, 20827408), (2, 10413704), (4, 5206852), (7, 2975344), (8, 2603426), (14, 1487672), (16, 1301713), (28, 743836), (56, 371918), (112, 185959)]