20221567280

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1\times {\mathrm{6857}}^1$

素因数の和:7254

約数の個数: 80

約数和(自身を含む): 47513101824

約数和(自身を除く): 27291534544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 193, 382, 386, 764, 772, 955, 965, 1528, 1544, 1910, 1930, 3056, 3088, 3820, 3860, 6857, 7640, 7720, 13714, 15280, 15440, 27428, 34285, 36863, 54856, 68570, 73726, 109712, 137140, 147452, 184315, 274280, 294904, 368630, 548560, 589808, 737260, 1309687, 1323401, 1474520, 2619374, 2646802, 2949040, 5238748, 5293604, 6548435, 6617005, 10477496, 10587208, 13096870, 13234010, 20954992, 21174416, 26193740, 26468020, 52387480, 52936040, 104774960, 105872080, 252769591, 505539182, 1011078364, 1263847955, 2022156728, 2527695910, 4044313456, 5055391820, 10110783640, 20221567280]

約数ペア:

[(1, 20221567280), (2, 10110783640), (4, 5055391820), (5, 4044313456), (8, 2527695910), (10, 2022156728), (16, 1263847955), (20, 1011078364), (40, 505539182), (80, 252769591), (191, 105872080), (193, 104774960), (382, 52936040), (386, 52387480), (764, 26468020), (772, 26193740), (955, 21174416), (965, 20954992), (1528, 13234010), (1544, 13096870), (1910, 10587208), (1930, 10477496), (3056, 6617005), (3088, 6548435), (3820, 5293604), (3860, 5238748), (6857, 2949040), (7640, 2646802), (7720, 2619374), (13714, 1474520), (15280, 1323401), (15440, 1309687), (27428, 737260), (34285, 589808), (36863, 548560), (54856, 368630), (68570, 294904), (73726, 274280), (109712, 184315), (137140, 147452)]