20145780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37307}}^1$

素因数の和:37325

約数の個数: 48

約数和(自身を含む): 62677440

約数和(自身を除く): 42531660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37307, 74614, 111921, 149228, 186535, 223842, 335763, 373070, 447684, 559605, 671526, 746140, 1007289, 1119210, 1343052, 1678815, 2014578, 2238420, 3357630, 4029156, 5036445, 6715260, 10072890, 20145780]

約数ペア:

[(1, 20145780), (2, 10072890), (3, 6715260), (4, 5036445), (5, 4029156), (6, 3357630), (9, 2238420), (10, 2014578), (12, 1678815), (15, 1343052), (18, 1119210), (20, 1007289), (27, 746140), (30, 671526), (36, 559605), (45, 447684), (54, 373070), (60, 335763), (90, 223842), (108, 186535), (135, 149228), (180, 111921), (270, 74614), (540, 37307)]