20245860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{821}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 61936056

約数和(自身を除く): 41690196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 821, 822, 1233, 1370, 1642, 1644, 2055, 2463, 2466, 2740, 3284, 4105, 4110, 4926, 4932, 6165, 7389, 8210, 8220, 9852, 12315, 12330, 14778, 16420, 24630, 24660, 29556, 36945, 49260, 73890, 112477, 147780, 224954, 337431, 449908, 562385, 674862, 1012293, 1124770, 1349724, 1687155, 2024586, 2249540, 3374310, 4049172, 5061465, 6748620, 10122930, 20245860]

約数ペア:

[(1, 20245860), (2, 10122930), (3, 6748620), (4, 5061465), (5, 4049172), (6, 3374310), (9, 2249540), (10, 2024586), (12, 1687155), (15, 1349724), (18, 1124770), (20, 1012293), (30, 674862), (36, 562385), (45, 449908), (60, 337431), (90, 224954), (137, 147780), (180, 112477), (274, 73890), (411, 49260), (548, 36945), (685, 29556), (821, 24660), (822, 24630), (1233, 16420), (1370, 14778), (1642, 12330), (1644, 12315), (2055, 9852), (2463, 8220), (2466, 8210), (2740, 7389), (3284, 6165), (4105, 4932), (4110, 4926)]