20817448

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{32939}}^1$

素因数の和:33024

約数の個数: 16

約数和(自身を含む): 39528000

約数和(自身を除く): 18710552

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 32939, 65878, 131756, 263512, 2602181, 5204362, 10408724, 20817448]

約数ペア:

[(1, 20817448), (2, 10408724), (4, 5204362), (8, 2602181), (79, 263512), (158, 131756), (316, 65878), (632, 32939)]