20285356

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2423}}^1$

素因数の和:2470

約数の個数: 48

約数和(自身を含む): 45609984

約数和(自身を除く): 25324628

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 182, 299, 322, 364, 598, 644, 1196, 2093, 2423, 4186, 4846, 8372, 9692, 16961, 31499, 33922, 55729, 62998, 67844, 111458, 125996, 220493, 222916, 390103, 440986, 724477, 780206, 881972, 1448954, 1560412, 2897908, 5071339, 10142678, 20285356]

約数ペア:

[(1, 20285356), (2, 10142678), (4, 5071339), (7, 2897908), (13, 1560412), (14, 1448954), (23, 881972), (26, 780206), (28, 724477), (46, 440986), (52, 390103), (91, 222916), (92, 220493), (161, 125996), (182, 111458), (299, 67844), (322, 62998), (364, 55729), (598, 33922), (644, 31499), (1196, 16961), (2093, 9692), (2423, 8372), (4186, 4846)]