20880108

素因数分解:

$2^2\times 3^2\times {\mathrm{619}}^1\times {\mathrm{937}}^1$

素因数の和:1566

約数の個数: 36

約数和(自身を含む): 52921960

約数和(自身を除く): 32041852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 619, 937, 1238, 1857, 1874, 2476, 2811, 3714, 3748, 5571, 5622, 7428, 8433, 11142, 11244, 16866, 22284, 33732, 580003, 1160006, 1740009, 2320012, 3480018, 5220027, 6960036, 10440054, 20880108]

約数ペア:

[(1, 20880108), (2, 10440054), (3, 6960036), (4, 5220027), (6, 3480018), (9, 2320012), (12, 1740009), (18, 1160006), (36, 580003), (619, 33732), (937, 22284), (1238, 16866), (1857, 11244), (1874, 11142), (2476, 8433), (2811, 7428), (3714, 5622), (3748, 5571)]