20678238

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{164113}}^1$

素因数の和:164128

約数の個数: 24

約数和(自身を含む): 51203568

約数和(自身を除く): 30525330

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 164113, 328226, 492339, 984678, 1148791, 1477017, 2297582, 2954034, 3446373, 6892746, 10339119, 20678238]

約数ペア:

[(1, 20678238), (2, 10339119), (3, 6892746), (6, 3446373), (7, 2954034), (9, 2297582), (14, 1477017), (18, 1148791), (21, 984678), (42, 492339), (63, 328226), (126, 164113)]