2009447780

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{217003}}^1$

素因数の和:217475

約数の個数: 24

約数和(自身を含む): 4228973952

約数和(自身を除く): 2219526172

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 1852, 2315, 4630, 9260, 217003, 434006, 868012, 1085015, 2170030, 4340060, 100472389, 200944778, 401889556, 502361945, 1004723890, 2009447780]

約数ペア:

[(1, 2009447780), (2, 1004723890), (4, 502361945), (5, 401889556), (10, 200944778), (20, 100472389), (463, 4340060), (926, 2170030), (1852, 1085015), (2315, 868012), (4630, 434006), (9260, 217003)]