20940168

素因数分解:

$2^3\times 3^1\times {\mathrm{491}}^1\times {\mathrm{1777}}^1$

素因数の和:2277

約数の個数: 32

約数和(自身を含む): 52486560

約数和(自身を除く): 31546392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 491, 982, 1473, 1777, 1964, 2946, 3554, 3928, 5331, 5892, 7108, 10662, 11784, 14216, 21324, 42648, 872507, 1745014, 2617521, 3490028, 5235042, 6980056, 10470084, 20940168]

約数ペア:

[(1, 20940168), (2, 10470084), (3, 6980056), (4, 5235042), (6, 3490028), (8, 2617521), (12, 1745014), (24, 872507), (491, 42648), (982, 21324), (1473, 14216), (1777, 11784), (1964, 10662), (2946, 7108), (3554, 5892), (3928, 5331)]