20672666

素因数分解:

$2^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{4231}}^1$

素因数の和:4589

約数の個数: 16

約数和(自身を含む): 35548800

約数和(自身を除く): 14876134

約数列:

[1, 2, 7, 14, 349, 698, 2443, 4231, 4886, 8462, 29617, 59234, 1476619, 2953238, 10336333, 20672666]

約数ペア:

[(1, 20672666), (2, 10336333), (7, 2953238), (14, 1476619), (349, 59234), (698, 29617), (2443, 8462), (4231, 4886)]