20751872

素因数分解:

$2^9\times {\mathrm{40531}}^1$

素因数の和:40549

約数の個数: 20

約数和(自身を含む): 41464236

約数和(自身を除く): 20712364

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 40531, 81062, 162124, 324248, 648496, 1296992, 2593984, 5187968, 10375936, 20751872]

約数ペア:

[(1, 20751872), (2, 10375936), (4, 5187968), (8, 2593984), (16, 1296992), (32, 648496), (64, 324248), (128, 162124), (256, 81062), (512, 40531)]