20109454760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{120763}}^1$

素因数の和:120978

約数の個数: 64

約数和(自身を含む): 47474743680

約数和(自身を除く): 27365288920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 181, 184, 230, 362, 460, 724, 905, 920, 1448, 1810, 3620, 4163, 7240, 8326, 16652, 20815, 33304, 41630, 83260, 120763, 166520, 241526, 483052, 603815, 966104, 1207630, 2415260, 2777549, 4830520, 5555098, 11110196, 13887745, 21858103, 22220392, 27775490, 43716206, 55550980, 87432412, 109290515, 111101960, 174864824, 218581030, 437162060, 502736369, 874324120, 1005472738, 2010945476, 2513681845, 4021890952, 5027363690, 10054727380, 20109454760]

約数ペア:

[(1, 20109454760), (2, 10054727380), (4, 5027363690), (5, 4021890952), (8, 2513681845), (10, 2010945476), (20, 1005472738), (23, 874324120), (40, 502736369), (46, 437162060), (92, 218581030), (115, 174864824), (181, 111101960), (184, 109290515), (230, 87432412), (362, 55550980), (460, 43716206), (724, 27775490), (905, 22220392), (920, 21858103), (1448, 13887745), (1810, 11110196), (3620, 5555098), (4163, 4830520), (7240, 2777549), (8326, 2415260), (16652, 1207630), (20815, 966104), (33304, 603815), (41630, 483052), (83260, 241526), (120763, 166520)]