20477824

素因数分解:

$2^7\times {\mathrm{157}}^1\times {\mathrm{1019}}^1$

素因数の和:1190

約数の個数: 32

約数和(自身を含む): 41095800

約数和(自身を除く): 20617976

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 314, 628, 1019, 1256, 2038, 2512, 4076, 5024, 8152, 10048, 16304, 20096, 32608, 65216, 130432, 159983, 319966, 639932, 1279864, 2559728, 5119456, 10238912, 20477824]

約数ペア:

[(1, 20477824), (2, 10238912), (4, 5119456), (8, 2559728), (16, 1279864), (32, 639932), (64, 319966), (128, 159983), (157, 130432), (314, 65216), (628, 32608), (1019, 20096), (1256, 16304), (2038, 10048), (2512, 8152), (4076, 5024)]