20381085

素因数分解:

$3^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{677}}^1$

素因数の和:914

約数の個数: 32

約数和(自身を含む): 36449280

約数和(自身を除く): 16068195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 223, 669, 677, 1115, 2007, 2031, 3345, 3385, 6021, 6093, 10035, 10155, 18279, 30105, 30465, 91395, 150971, 452913, 754855, 1358739, 2264565, 4076217, 6793695, 20381085]

約数ペア:

[(1, 20381085), (3, 6793695), (5, 4076217), (9, 2264565), (15, 1358739), (27, 754855), (45, 452913), (135, 150971), (223, 91395), (669, 30465), (677, 30105), (1115, 18279), (2007, 10155), (2031, 10035), (3345, 6093), (3385, 6021)]