20561490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{228461}}^1$

素因数の和:228474

約数の個数: 24

約数和(自身を含む): 53460108

約数和(自身を除く): 32898618

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 228461, 456922, 685383, 1142305, 1370766, 2056149, 2284610, 3426915, 4112298, 6853830, 10280745, 20561490]

約数ペア:

[(1, 20561490), (2, 10280745), (3, 6853830), (5, 4112298), (6, 3426915), (9, 2284610), (10, 2056149), (15, 1370766), (18, 1142305), (30, 685383), (45, 456922), (90, 228461)]