20148644

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{563}}^1$

素因数の和:979

約数の個数: 24

約数和(自身を含む): 36953280

約数和(自身を除く): 16804636

約数列:

[1, 2, 4, 23, 46, 92, 389, 563, 778, 1126, 1556, 2252, 8947, 12949, 17894, 25898, 35788, 51796, 219007, 438014, 876028, 5037161, 10074322, 20148644]

約数ペア:

[(1, 20148644), (2, 10074322), (4, 5037161), (23, 876028), (46, 438014), (92, 219007), (389, 51796), (563, 35788), (778, 25898), (1126, 17894), (1556, 12949), (2252, 8947)]