20782616

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{631}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 40953600

約数和(自身を除く): 20170984

約数列:

[1, 2, 4, 8, 23, 46, 92, 179, 184, 358, 631, 716, 1262, 1432, 2524, 4117, 5048, 8234, 14513, 16468, 29026, 32936, 58052, 112949, 116104, 225898, 451796, 903592, 2597827, 5195654, 10391308, 20782616]

約数ペア:

[(1, 20782616), (2, 10391308), (4, 5195654), (8, 2597827), (23, 903592), (46, 451796), (92, 225898), (179, 116104), (184, 112949), (358, 58052), (631, 32936), (716, 29026), (1262, 16468), (1432, 14513), (2524, 8234), (4117, 5048)]