20375650

素因数分解:

$2^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{6907}}^1$

素因数の和:6978

約数の個数: 24

約数和(自身を含む): 38546640

約数和(自身を除く): 18170990

約数列:

[1, 2, 5, 10, 25, 50, 59, 118, 295, 590, 1475, 2950, 6907, 13814, 34535, 69070, 172675, 345350, 407513, 815026, 2037565, 4075130, 10187825, 20375650]

約数ペア:

[(1, 20375650), (2, 10187825), (5, 4075130), (10, 2037565), (25, 815026), (50, 407513), (59, 345350), (118, 172675), (295, 69070), (590, 34535), (1475, 13814), (2950, 6907)]