20178487750

素因数分解:

$2^1\times 5^3\times {\mathrm{193}}^1\times {\mathrm{418207}}^1$

素因数の和:418417

約数の個数: 32

約数和(自身を含む): 37969940736

約数和(自身を除く): 17791452986

約数列:

[1, 2, 5, 10, 25, 50, 125, 193, 250, 386, 965, 1930, 4825, 9650, 24125, 48250, 418207, 836414, 2091035, 4182070, 10455175, 20910350, 52275875, 80713951, 104551750, 161427902, 403569755, 807139510, 2017848775, 4035697550, 10089243875, 20178487750]

約数ペア:

[(1, 20178487750), (2, 10089243875), (5, 4035697550), (10, 2017848775), (25, 807139510), (50, 403569755), (125, 161427902), (193, 104551750), (250, 80713951), (386, 52275875), (965, 20910350), (1930, 10455175), (4825, 4182070), (9650, 2091035), (24125, 836414), (48250, 418207)]