20480772

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{10099}}^1$

素因数の和:10132

約数の個数: 36

約数和(自身を含む): 51752400

約数和(自身を除く): 31271628

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 10099, 20198, 30297, 40396, 60594, 121188, 131287, 262574, 393861, 525148, 787722, 1575444, 1706731, 3413462, 5120193, 6826924, 10240386, 20480772]

約数ペア:

[(1, 20480772), (2, 10240386), (3, 6826924), (4, 5120193), (6, 3413462), (12, 1706731), (13, 1575444), (26, 787722), (39, 525148), (52, 393861), (78, 262574), (156, 131287), (169, 121188), (338, 60594), (507, 40396), (676, 30297), (1014, 20198), (2028, 10099)]