20825226

素因数分解:

$2^1\times 3^2\times {\mathrm{509}}^1\times {\mathrm{2273}}^1$

素因数の和:2790

約数の個数: 24

約数和(自身を含む): 45229860

約数和(自身を除く): 24404634

約数列:

[1, 2, 3, 6, 9, 18, 509, 1018, 1527, 2273, 3054, 4546, 4581, 6819, 9162, 13638, 20457, 40914, 1156957, 2313914, 3470871, 6941742, 10412613, 20825226]

約数ペア:

[(1, 20825226), (2, 10412613), (3, 6941742), (6, 3470871), (9, 2313914), (18, 1156957), (509, 40914), (1018, 20457), (1527, 13638), (2273, 9162), (3054, 6819), (4546, 4581)]