20792168

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 19124632

約数列:

[1, 2, 4, 8, 79, 158, 167, 197, 316, 334, 394, 632, 668, 788, 1336, 1576, 13193, 15563, 26386, 31126, 32899, 52772, 62252, 65798, 105544, 124504, 131596, 263192, 2599021, 5198042, 10396084, 20792168]

約数ペア:

[(1, 20792168), (2, 10396084), (4, 5198042), (8, 2599021), (79, 263192), (158, 131596), (167, 124504), (197, 105544), (316, 65798), (334, 62252), (394, 52772), (632, 32899), (668, 31126), (788, 26386), (1336, 15563), (1576, 13193)]