20790810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{77003}}^1$

素因数の和:77019

約数の個数: 32

約数和(自身を含む): 55442880

約数和(自身を除く): 34652070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 77003, 154006, 231009, 385015, 462018, 693027, 770030, 1155045, 1386054, 2079081, 2310090, 3465135, 4158162, 6930270, 10395405, 20790810]

約数ペア:

[(1, 20790810), (2, 10395405), (3, 6930270), (5, 4158162), (6, 3465135), (9, 2310090), (10, 2079081), (15, 1386054), (18, 1155045), (27, 770030), (30, 693027), (45, 462018), (54, 385015), (90, 231009), (135, 154006), (270, 77003)]