20408049784

素因数分解:

$2^3\times {\mathrm{11657}}^1\times {\mathrm{218839}}^1$

素因数の和:230502

約数の個数: 16

約数和(自身を含む): 38268550800

約数和(自身を除く): 17860501016

約数列:

[1, 2, 4, 8, 11657, 23314, 46628, 93256, 218839, 437678, 875356, 1750712, 2551006223, 5102012446, 10204024892, 20408049784]

約数ペア:

[(1, 20408049784), (2, 10204024892), (4, 5102012446), (8, 2551006223), (11657, 1750712), (23314, 875356), (46628, 437678), (93256, 218839)]