20983408

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5881}}^1$

素因数の和:6112

約数の個数: 20

約数和(自身を含む): 40844608

約数和(自身を除く): 19861200

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5881, 11762, 23524, 47048, 94096, 1311463, 2622926, 5245852, 10491704, 20983408]

約数ペア:

[(1, 20983408), (2, 10491704), (4, 5245852), (8, 2622926), (16, 1311463), (223, 94096), (446, 47048), (892, 23524), (1784, 11762), (3568, 5881)]