20313668

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{71527}}^1$

素因数の和:71602

約数の個数: 12

約数和(自身を含む): 36050112

約数和(自身を除く): 15736444

約数列:

[1, 2, 4, 71, 142, 284, 71527, 143054, 286108, 5078417, 10156834, 20313668]

約数ペア:

[(1, 20313668), (2, 10156834), (4, 5078417), (71, 286108), (142, 143054), (284, 71527)]