20131356680

素因数分解:

$2^3\times 5^1\times {\mathrm{919}}^1\times {\mathrm{547643}}^1$

素因数の和:548573

約数の個数: 32

約数和(自身を含む): 45344923200

約数和(自身を除く): 25213566520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 919, 1838, 3676, 4595, 7352, 9190, 18380, 36760, 547643, 1095286, 2190572, 2738215, 4381144, 5476430, 10952860, 21905720, 503283917, 1006567834, 2013135668, 2516419585, 4026271336, 5032839170, 10065678340, 20131356680]

約数ペア:

[(1, 20131356680), (2, 10065678340), (4, 5032839170), (5, 4026271336), (8, 2516419585), (10, 2013135668), (20, 1006567834), (40, 503283917), (919, 21905720), (1838, 10952860), (3676, 5476430), (4595, 4381144), (7352, 2738215), (9190, 2190572), (18380, 1095286), (36760, 547643)]