20994214

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1\times {\mathrm{509}}^1$

素因数の和:1055

約数の個数: 16

約数和(自身を含む): 32387040

約数和(自身を除く): 11392826

約数列:

[1, 2, 41, 82, 503, 509, 1006, 1018, 20623, 20869, 41246, 41738, 256027, 512054, 10497107, 20994214]

約数ペア:

[(1, 20994214), (2, 10497107), (41, 512054), (82, 256027), (503, 41738), (509, 41246), (1006, 20869), (1018, 20623)]