20687488

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{7027}}^1$

素因数の和:7064

約数の個数: 32

約数和(自身を含む): 43011360

約数和(自身を除く): 22323872

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 7027, 14054, 28108, 56216, 112432, 161621, 224864, 323242, 449728, 646484, 899456, 1292968, 2585936, 5171872, 10343744, 20687488]

約数ペア:

[(1, 20687488), (2, 10343744), (4, 5171872), (8, 2585936), (16, 1292968), (23, 899456), (32, 646484), (46, 449728), (64, 323242), (92, 224864), (128, 161621), (184, 112432), (368, 56216), (736, 28108), (1472, 14054), (2944, 7027)]