20506616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8573}}^1$

素因数の和:8615

約数の個数: 32

約数和(自身を含む): 43212960

約数和(自身を除く): 22706344

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 8573, 17146, 34292, 68584, 111449, 197179, 222898, 394358, 445796, 788716, 891592, 1577432, 2563327, 5126654, 10253308, 20506616]

約数ペア:

[(1, 20506616), (2, 10253308), (4, 5126654), (8, 2563327), (13, 1577432), (23, 891592), (26, 788716), (46, 445796), (52, 394358), (92, 222898), (104, 197179), (184, 111449), (299, 68584), (598, 34292), (1196, 17146), (2392, 8573)]