20218912

素因数分解:

$2^5\times 7^1\times {\mathrm{90263}}^1$

素因数の和:90280

約数の個数: 24

約数和(自身を含む): 45493056

約数和(自身を除く): 25274144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 90263, 180526, 361052, 631841, 722104, 1263682, 1444208, 2527364, 2888416, 5054728, 10109456, 20218912]

約数ペア:

[(1, 20218912), (2, 10109456), (4, 5054728), (7, 2888416), (8, 2527364), (14, 1444208), (16, 1263682), (28, 722104), (32, 631841), (56, 361052), (112, 180526), (224, 90263)]