20784512

素因数分解:

$2^7\times 7^1\times {\mathrm{23197}}^1$

素因数の和:23218

約数の個数: 32

約数和(自身を含む): 47323920

約数和(自身を除く): 26539408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 23197, 46394, 92788, 162379, 185576, 324758, 371152, 649516, 742304, 1299032, 1484608, 2598064, 2969216, 5196128, 10392256, 20784512]

約数ペア:

[(1, 20784512), (2, 10392256), (4, 5196128), (7, 2969216), (8, 2598064), (14, 1484608), (16, 1299032), (28, 742304), (32, 649516), (56, 371152), (64, 324758), (112, 185576), (128, 162379), (224, 92788), (448, 46394), (896, 23197)]