20675750

素因数分解:

$2^1\times 5^3\times {\mathrm{191}}^1\times {\mathrm{433}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 38997504

約数和(自身を除く): 18321754

約数列:

[1, 2, 5, 10, 25, 50, 125, 191, 250, 382, 433, 866, 955, 1910, 2165, 4330, 4775, 9550, 10825, 21650, 23875, 47750, 54125, 82703, 108250, 165406, 413515, 827030, 2067575, 4135150, 10337875, 20675750]

約数ペア:

[(1, 20675750), (2, 10337875), (5, 4135150), (10, 2067575), (25, 827030), (50, 413515), (125, 165406), (191, 108250), (250, 82703), (382, 54125), (433, 47750), (866, 23875), (955, 21650), (1910, 10825), (2165, 9550), (4330, 4775)]