20750700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{263}}^2$

素因数の和:543

約数の個数: 54

約数和(自身を含む): 60267844

約数和(自身を除く): 39517144

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 263, 300, 526, 789, 1052, 1315, 1578, 2630, 3156, 3945, 5260, 6575, 7890, 13150, 15780, 19725, 26300, 39450, 69169, 78900, 138338, 207507, 276676, 345845, 415014, 691690, 830028, 1037535, 1383380, 1729225, 2075070, 3458450, 4150140, 5187675, 6916900, 10375350, 20750700]

約数ペア:

[(1, 20750700), (2, 10375350), (3, 6916900), (4, 5187675), (5, 4150140), (6, 3458450), (10, 2075070), (12, 1729225), (15, 1383380), (20, 1037535), (25, 830028), (30, 691690), (50, 415014), (60, 345845), (75, 276676), (100, 207507), (150, 138338), (263, 78900), (300, 69169), (526, 39450), (789, 26300), (1052, 19725), (1315, 15780), (1578, 13150), (2630, 7890), (3156, 6575), (3945, 5260)]