20565643995

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{133669}}^1$

素因数の和:133956

約数の個数: 48

約数和(自身を含む): 38535456960

約数和(自身を除く): 17969812965

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 263, 585, 789, 1315, 2367, 3419, 3945, 10257, 11835, 17095, 30771, 51285, 133669, 153855, 401007, 668345, 1203021, 1737697, 2005035, 5213091, 6015105, 8688485, 15639273, 26065455, 35154947, 78196365, 105464841, 175774735, 316394523, 457014311, 527324205, 1371042933, 1581972615, 2285071555, 4113128799, 6855214665, 20565643995]

約数ペア:

[(1, 20565643995), (3, 6855214665), (5, 4113128799), (9, 2285071555), (13, 1581972615), (15, 1371042933), (39, 527324205), (45, 457014311), (65, 316394523), (117, 175774735), (195, 105464841), (263, 78196365), (585, 35154947), (789, 26065455), (1315, 15639273), (2367, 8688485), (3419, 6015105), (3945, 5213091), (10257, 2005035), (11835, 1737697), (17095, 1203021), (30771, 668345), (51285, 401007), (133669, 153855)]