20881668

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{24509}}^1$

素因数の和:24587

約数の個数: 24

約数和(自身を含む): 49412160

約数和(自身を除く): 28530492

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 24509, 49018, 73527, 98036, 147054, 294108, 1740139, 3480278, 5220417, 6960556, 10440834, 20881668]

約数ペア:

[(1, 20881668), (2, 10440834), (3, 6960556), (4, 5220417), (6, 3480278), (12, 1740139), (71, 294108), (142, 147054), (213, 98036), (284, 73527), (426, 49018), (852, 24509)]