20747744

素因数分解:

$2^5\times {\mathrm{503}}^1\times {\mathrm{1289}}^1$

素因数の和:1802

約数の個数: 24

約数和(自身を含む): 40960080

約数和(自身を除く): 20212336

約数列:

[1, 2, 4, 8, 16, 32, 503, 1006, 1289, 2012, 2578, 4024, 5156, 8048, 10312, 16096, 20624, 41248, 648367, 1296734, 2593468, 5186936, 10373872, 20747744]

約数ペア:

[(1, 20747744), (2, 10373872), (4, 5186936), (8, 2593468), (16, 1296734), (32, 648367), (503, 41248), (1006, 20624), (1289, 16096), (2012, 10312), (2578, 8048), (4024, 5156)]