20920947

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{4597}}^1$

素因数の和:4678

約数の個数: 16

約数和(自身を含む): 29353632

約数和(自身を除く): 8432685

約数列:

[1, 3, 37, 41, 111, 123, 1517, 4551, 4597, 13791, 170089, 188477, 510267, 565431, 6973649, 20920947]

約数ペア:

[(1, 20920947), (3, 6973649), (37, 565431), (41, 510267), (111, 188477), (123, 170089), (1517, 13791), (4551, 4597)]