20166402039

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{220709}}^1$

素因数の和:220967

約数の個数: 32

約数和(自身を含む): 32488512000

約数和(自身を除く): 12322109961

約数列:

[1, 3, 7, 19, 21, 57, 133, 229, 399, 687, 1603, 4351, 4809, 13053, 30457, 91371, 220709, 662127, 1544963, 4193471, 4634889, 12580413, 29354297, 50542361, 88062891, 151627083, 353796527, 960304859, 1061389581, 2880914577, 6722134013, 20166402039]

約数ペア:

[(1, 20166402039), (3, 6722134013), (7, 2880914577), (19, 1061389581), (21, 960304859), (57, 353796527), (133, 151627083), (229, 88062891), (399, 50542361), (687, 29354297), (1603, 12580413), (4351, 4634889), (4809, 4193471), (13053, 1544963), (30457, 662127), (91371, 220709)]