20837964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248071}}^1$

素因数の和:248085

約数の個数: 24

約数和(自身を含む): 55568128

約数和(自身を除く): 34730164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248071, 496142, 744213, 992284, 1488426, 1736497, 2976852, 3472994, 5209491, 6945988, 10418982, 20837964]

約数ペア:

[(1, 20837964), (2, 10418982), (3, 6945988), (4, 5209491), (6, 3472994), (7, 2976852), (12, 1736497), (14, 1488426), (21, 992284), (28, 744213), (42, 496142), (84, 248071)]