20378700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{22643}}^1$

素因数の和:22663

約数の個数: 54

約数和(自身を含む): 63878724

約数和(自身を除く): 43500024

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 22643, 45286, 67929, 90572, 113215, 135858, 203787, 226430, 271716, 339645, 407574, 452860, 566075, 679290, 815148, 1018935, 1132150, 1358580, 1698225, 2037870, 2264300, 3396450, 4075740, 5094675, 6792900, 10189350, 20378700]

約数ペア:

[(1, 20378700), (2, 10189350), (3, 6792900), (4, 5094675), (5, 4075740), (6, 3396450), (9, 2264300), (10, 2037870), (12, 1698225), (15, 1358580), (18, 1132150), (20, 1018935), (25, 815148), (30, 679290), (36, 566075), (45, 452860), (50, 407574), (60, 339645), (75, 271716), (90, 226430), (100, 203787), (150, 135858), (180, 113215), (225, 90572), (300, 67929), (450, 45286), (900, 22643)]