20740373811

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{359}}^1\times {\mathrm{30137}}^1$

素因数の和:30576

約数の個数: 32

約数和(自身を含む): 31247078400

約数和(自身を除く): 10506704589

約数列:

[1, 3, 9, 27, 71, 213, 359, 639, 1077, 1917, 3231, 9693, 25489, 30137, 76467, 90411, 229401, 271233, 688203, 813699, 2139727, 6419181, 10819183, 19257543, 32457549, 57772629, 97372647, 292117941, 768161993, 2304485979, 6913457937, 20740373811]

約数ペア:

[(1, 20740373811), (3, 6913457937), (9, 2304485979), (27, 768161993), (71, 292117941), (213, 97372647), (359, 57772629), (639, 32457549), (1077, 19257543), (1917, 10819183), (3231, 6419181), (9693, 2139727), (25489, 813699), (30137, 688203), (76467, 271233), (90411, 229401)]