20298690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5501}}^1$

素因数の和:5555

約数の個数: 48

約数和(自身を含む): 54073656

約数和(自身を除く): 33774966

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 5501, 11002, 16503, 27505, 33006, 49509, 55010, 82515, 99018, 165030, 225541, 247545, 451082, 495090, 676623, 1127705, 1353246, 2029869, 2255410, 3383115, 4059738, 6766230, 10149345, 20298690]

約数ペア:

[(1, 20298690), (2, 10149345), (3, 6766230), (5, 4059738), (6, 3383115), (9, 2255410), (10, 2029869), (15, 1353246), (18, 1127705), (30, 676623), (41, 495090), (45, 451082), (82, 247545), (90, 225541), (123, 165030), (205, 99018), (246, 82515), (369, 55010), (410, 49509), (615, 33006), (738, 27505), (1230, 16503), (1845, 11002), (3690, 5501)]