20627968

素因数分解:

$2^9\times {\mathrm{40289}}^1$

素因数の和:40307

約数の個数: 20

約数和(自身を含む): 41216670

約数和(自身を除く): 20588702

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 40289, 80578, 161156, 322312, 644624, 1289248, 2578496, 5156992, 10313984, 20627968]

約数ペア:

[(1, 20627968), (2, 10313984), (4, 5156992), (8, 2578496), (16, 1289248), (32, 644624), (64, 322312), (128, 161156), (256, 80578), (512, 40289)]