20244978

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9613}}^1$

素因数の和:9640

約数の個数: 40

約数和(自身を含む): 48858348

約数和(自身を除く): 28613370

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 9613, 19226, 28839, 57678, 86517, 124969, 173034, 249938, 259551, 374907, 519102, 749814, 778653, 1124721, 1557306, 2249442, 3374163, 6748326, 10122489, 20244978]

約数ペア:

[(1, 20244978), (2, 10122489), (3, 6748326), (6, 3374163), (9, 2249442), (13, 1557306), (18, 1124721), (26, 778653), (27, 749814), (39, 519102), (54, 374907), (78, 259551), (81, 249938), (117, 173034), (162, 124969), (234, 86517), (351, 57678), (702, 28839), (1053, 19226), (2106, 9613)]