20348600

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1433}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 48010320

約数和(自身を除く): 27661720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1433, 1775, 2840, 2866, 3550, 5732, 7100, 7165, 11464, 14200, 14330, 28660, 35825, 57320, 71650, 101743, 143300, 203486, 286600, 406972, 508715, 813944, 1017430, 2034860, 2543575, 4069720, 5087150, 10174300, 20348600]

約数ペア:

[(1, 20348600), (2, 10174300), (4, 5087150), (5, 4069720), (8, 2543575), (10, 2034860), (20, 1017430), (25, 813944), (40, 508715), (50, 406972), (71, 286600), (100, 203486), (142, 143300), (200, 101743), (284, 71650), (355, 57320), (568, 35825), (710, 28660), (1420, 14330), (1433, 14200), (1775, 11464), (2840, 7165), (2866, 7100), (3550, 5732)]