20389744

素因数分解:

$2^4\times {\mathrm{857}}^1\times {\mathrm{1487}}^1$

素因数の和:2352

約数の個数: 20

約数和(自身を含む): 39577824

約数和(自身を除く): 19188080

約数列:

[1, 2, 4, 8, 16, 857, 1487, 1714, 2974, 3428, 5948, 6856, 11896, 13712, 23792, 1274359, 2548718, 5097436, 10194872, 20389744]

約数ペア:

[(1, 20389744), (2, 10194872), (4, 5097436), (8, 2548718), (16, 1274359), (857, 23792), (1487, 13712), (1714, 11896), (2974, 6856), (3428, 5948)]