20542976

素因数分解:

$2^9\times {\mathrm{40123}}^1$

素因数の和:40141

約数の個数: 20

約数和(自身を含む): 41046852

約数和(自身を除く): 20503876

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 40123, 80246, 160492, 320984, 641968, 1283936, 2567872, 5135744, 10271488, 20542976]

約数ペア:

[(1, 20542976), (2, 10271488), (4, 5135744), (8, 2567872), (16, 1283936), (32, 641968), (64, 320984), (128, 160492), (256, 80246), (512, 40123)]