20973200

素因数分解:

$2^4\times 5^2\times {\mathrm{52433}}^1$

素因数の和:52451

約数の個数: 30

約数和(自身を含む): 50389074

約数和(自身を除く): 29415874

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 52433, 104866, 209732, 262165, 419464, 524330, 838928, 1048660, 1310825, 2097320, 2621650, 4194640, 5243300, 10486600, 20973200]

約数ペア:

[(1, 20973200), (2, 10486600), (4, 5243300), (5, 4194640), (8, 2621650), (10, 2097320), (16, 1310825), (20, 1048660), (25, 838928), (40, 524330), (50, 419464), (80, 262165), (100, 209732), (200, 104866), (400, 52433)]