20864512

素因数分解:

$2^9\times {\mathrm{40751}}^1$

素因数の和:40769

約数の個数: 20

約数和(自身を含む): 41689296

約数和(自身を除く): 20824784

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 40751, 81502, 163004, 326008, 652016, 1304032, 2608064, 5216128, 10432256, 20864512]

約数ペア:

[(1, 20864512), (2, 10432256), (4, 5216128), (8, 2608064), (16, 1304032), (32, 652016), (64, 326008), (128, 163004), (256, 81502), (512, 40751)]