20995742

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{853}}^1$

素因数の和:1283

約数の個数: 16

約数和(自身を含む): 32629632

約数和(自身を除く): 11633890

約数列:

[1, 2, 31, 62, 397, 794, 853, 1706, 12307, 24614, 26443, 52886, 338641, 677282, 10497871, 20995742]

約数ペア:

[(1, 20995742), (2, 10497871), (31, 677282), (62, 338641), (397, 52886), (794, 26443), (853, 24614), (1706, 12307)]