20423850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2897}}^1$

素因数の和:2959

約数の個数: 48

約数和(自身を含む): 51746688

約数和(自身を除く): 31322838

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 47, 50, 75, 94, 141, 150, 235, 282, 470, 705, 1175, 1410, 2350, 2897, 3525, 5794, 7050, 8691, 14485, 17382, 28970, 43455, 72425, 86910, 136159, 144850, 217275, 272318, 408477, 434550, 680795, 816954, 1361590, 2042385, 3403975, 4084770, 6807950, 10211925, 20423850]

約数ペア:

[(1, 20423850), (2, 10211925), (3, 6807950), (5, 4084770), (6, 3403975), (10, 2042385), (15, 1361590), (25, 816954), (30, 680795), (47, 434550), (50, 408477), (75, 272318), (94, 217275), (141, 144850), (150, 136159), (235, 86910), (282, 72425), (470, 43455), (705, 28970), (1175, 17382), (1410, 14485), (2350, 8691), (2897, 7050), (3525, 5794)]