2000561648

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{321427}}^1$

素因数の和:321824

約数の個数: 20

約数和(自身を含む): 3886064520

約数和(自身を除く): 1885502872

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 321427, 642854, 1285708, 2571416, 5142832, 125035103, 250070206, 500140412, 1000280824, 2000561648]

約数ペア:

[(1, 2000561648), (2, 1000280824), (4, 500140412), (8, 250070206), (16, 125035103), (389, 5142832), (778, 2571416), (1556, 1285708), (3112, 642854), (6224, 321427)]