20403712

素因数分解:

$2^9\times 7^1\times {\mathrm{5693}}^1$

素因数の和:5718

約数の個数: 40

約数和(自身を含む): 46599696

約数和(自身を除く): 26195984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5693, 11386, 22772, 39851, 45544, 79702, 91088, 159404, 182176, 318808, 364352, 637616, 728704, 1275232, 1457408, 2550464, 2914816, 5100928, 10201856, 20403712]

約数ペア:

[(1, 20403712), (2, 10201856), (4, 5100928), (7, 2914816), (8, 2550464), (14, 1457408), (16, 1275232), (28, 728704), (32, 637616), (56, 364352), (64, 318808), (112, 182176), (128, 159404), (224, 91088), (256, 79702), (448, 45544), (512, 39851), (896, 22772), (1792, 11386), (3584, 5693)]