20087765979

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{53003}}^1$

素因数の和:53195

約数の個数: 32

約数和(自身を含む): 28918982400

約数和(自身を除く): 8831216421

約数列:

[1, 3, 19, 57, 61, 109, 183, 327, 1159, 2071, 3477, 6213, 6649, 19947, 53003, 126331, 159009, 378993, 1007057, 3021171, 3233183, 5777327, 9699549, 17331981, 61430477, 109769213, 184291431, 329307639, 352416947, 1057250841, 6695921993, 20087765979]

約数ペア:

[(1, 20087765979), (3, 6695921993), (19, 1057250841), (57, 352416947), (61, 329307639), (109, 184291431), (183, 109769213), (327, 61430477), (1159, 17331981), (2071, 9699549), (3477, 5777327), (6213, 3233183), (6649, 3021171), (19947, 1007057), (53003, 378993), (126331, 159009)]